Item specifics
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Brand Name
BASEUS
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Style
In-ear
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Vocalism Principle
Dynamic
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Origin
CN(Origin)
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Active Noise-Cancellation
Yes
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Control Button
Yes
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Communication
True Wireless
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Volume Control
Yes
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Certification
CE
RoHS
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Number Of Drivers
4
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Plug Type
NONE
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Impedance Range
up to 32 Ω
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Model Number
Baseus S2
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Headphone Pads Material
Silicone
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Support Memory Card
No
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Waterproof
Yes
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Frequency Response Range
20 - 20000Hz
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Magnet Type
Neodymium
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Wireless Type
bluetooth
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Package List
User Manual
Charging case
Charging Cable
Replaceable Pads Set
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Codecs
AAC
sbc
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Driver Diameter
10mm
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Resistance
32Ω
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Sensitivity
107dB
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Is wireless
Yes
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Connectors
Type c
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Earcups Type
Sealed
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Bluetooth Version
5.0
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Total Harmonic Distortion
5%
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Charging Method
Charging case
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Max Output
5mW
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Support APP
No
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Function
for Video Game
Common Headphone
For Mobile Phone
Sport
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With Microphone
Yes
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Features
waterproof
With Microphone
Apple Siri Support
Active Noice Cancelling
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Color
Gray / White / Blue
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Feature A
Hybrid ANC
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Feature B
Optical in-ear detection
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Feature C
Smart ANC during calls
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Feature D
Low latency AV synchronization
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Suitable for
Compatible with all wireless devices
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Model No
Baseus SIMU S2
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Material
ABS+PC
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Version
V5.0
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Communication distance
About 10m
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ANC On Music time
About 6 hours
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ANC Off Music time
About 7 hours
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Earphones battery capacity
45mAh/0.167Wh
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Charging case battery capacity
480mAh/1.776Wh
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Charging time
About 1.5 hours
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Wireless charging time
About 2 hours
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Frequency response range
20Hz-20kHz
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Charge interface
Type-c
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Weight
55G
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Feature
Support Wireless Charging
Features1.360° Hybrid Active Noise Cancelling 2.Optical in-ear detection,play when wear then and stop when take them off 3.Ambient Sound Mode for Small Talk 4.10mm PU composite diaphragm ,3D stereo type 5.New BES Wireless bluetooth 5.0 6.AAC/SBC high sound quality decoding 7.ENC dual microphone call noise reduction, clearer call 8.Support Wireless Charging 9.24hours powerful battery life 10.Support Voice Assistant and Touch Control
Hybrid ANC Technology Hybrid ANC technology plus a hybrid digital noise cancellation chip allow-32dB noise reduction via real-time algorithms. giving you a silent world.  ANC True Wireless Earphones S2Hybrid ANC; Optical in-ear detection; Smart ANC during calls; Low latency AV synchronization; Enjoy sound of nature; About 24h of battery life   Turn on Hybrid ANC ,enter a Quiet WorldHybrid ANC technology combines feed-forward and feedback ANC.The dual miscrophone picks up external and in-ear noise respectively,and the moving coil emits anti-phase sound wave to reduce ambient and low frequency noise by up to -32dB  In-ear Detection FunctionPut on headphones Auto play; Remove the headset Auto pause  Ambient Sound Mode for Small TalkLong press to enable ambient sound mode when you need to hear the outside world to make small talk and listen to a boarding announcement.  Clear Calls for a Pleasant ConversationHigh-sensitivity MEMS microphones in a triple microphone array accurately pick up the sound while removing all kinds of noise, allowing you to talk like talking face to face anywhere.  BES Wireless 5.0 More Stable ConnectionBES 2300YP chip and FPC antenna further enhance theRF performance, reducing delay 7,and stabilizing signals.  Low Latency for Enjoying GamesAV synchronization and low latency for videos and games allow you to launch a fast attack and control the battle at any time.  Never Get Tired of Pleasant SoundsPrecise acoustic measurement systems and AAC/SBC high quality decoding offer clear sound quality. 10mm moving coils and PU composite diaphragms ensure rich bass and more astonishing audio.  Enjoy Good Muisc All Day and All NightAdvanced Wireless 5.0 solution reduces power consumption and offers longer battery life.Give you about 7 hours of battery life on a single charge when ANC off and about 24 hours playback time with a charging case.  Wireless Charging Uttimate ConvenienceThe earphones are compatible with mainstream QI wireless charging devices, so that you can charge them by placing them on a wireless charger as truly wireless earphones  Touch Control All in ControlTouch the earphone to switch noise cancellation, pause and play, answer a call, etc. to replace phone operation and enjoy freedom.    01.The earphones adopt the noise cancellation technology of a front-feed and a back-feed ANC system. The noise cancellation effect is obvious in an environment with low frequency noise such as on airplanes and subways; while the effect on higher frequency noise is not obvious, such as human voices in the near distance. The actual effect varies depending on the user's ear size, ear tips, ear canal structure, placement, chewing action, movement and other factors.
02.The highest noise reduction rating is 32dB, which was obtained from realistic acoustic human-like testing in the Baseus Laboratory. When ANC mode is turned on, you may be less aware of warning sounds in an external environment. Please use it in a proper environment for security.
03.Daily battery life is continuous playback time when using with the charging case. The data was obtained from the Baseus Laboratory.
04.When music is playing, in-ear detection function enables music to play or pause when you wear or take off the earphones through infrared sensors. The data was obtained from the Baseus Laboratory.
05.When ambient sound mode is turned on, ambient sound is clearer so that the user can perceive changes in the surroundings, and the effect is more obvious when music is paused. The actual effect varies depending on the user's ear size, ear tips, ear canal structure, placement, chewing action, movement and other factors.
06.It is recommended to turn on ANC for the best call quality. The actual call quality may vary depending on placement, environments, movement and other factors.
07.Due to the difference in devices, delay time is about 0.2s, which meets the needs of daily use. All data is obtained from the Baseus Laboratory.
08.The battery life of the earphones refers to the longest continuous playback time per charge in ANC mode and combined battery life refers to the total playback time when the earphones in ANC mode and charging case are fully charged. The data was obtained from the Baseus Laboratory. The result was obtained from the test of playing SBC music in ANC mode at medium volume. The actual usage time varies depending on volume, audio source, environments and usage habits.
09.Please purchase qualified wireless charging devices. Please aim the charging area of the earphones at the corresponding area of the wireless charger properly. Wireless charging time varies depending on environments, using habits and other factors. 
Specification | Brand: | Baseus | Name: | Baseus SIMU ANC True Wireless Earphones | Model No.: | Baseus SIMU S2 | Material: | ABS+PC | Version: | V5.0 | Communication distance: | 10m | Standby time: | 300hours | Music time: | 5 hours (70% of the volume, ANC On) | Music time: | 6 hours (70% of the volume, ANC Off) | Music time with a charging case: | 20~24 hours | Battery capacity: | 45mAh/0.167Wh(earphones) 480mAh/1.776Wh(charging case) | Earphone rated input: | DC5V⎓45mA | Charging case rated input: | DC5V⎓400mA | Earphone rated consumption current : | 8mA | Charging case rated current consumption: | 100mA | Charging time: | about 1.5 hours | Wireless charging time: | about 2 hours | Frequency response range: | 20Hz-20KHz | Charge interface: | Type-C | Suitable for: | Compatible with all wireless devices | Size | 65*47*24mm | Weight | 55g |
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| Model No | Baseus SIMU S2 | Baseus SIMU S1 | Baseus SIMU S1 Pro | Bluetooth Version | V5.0 | V5.2 | V5.1 | Standby time | 300 hours | 300 hours | 300 hours | Music time | 5 hours(ANC on)6hours(ANC off) | 4 hours(ANC on)6hours(ANC off) | 4 hours(ANC on)6hours(ANC off) | Music time with a charging case | 20~24 hours | 20~24 hours | 20~24 hours | Battery capacity | 45mAh/0.167Wh(earphones) 480mAh/1.776Wh(charging case) | 40mAh/0.148Wh(earphones) 380mAh/1.406Wh(charging case) | 40mAh/0.148Wh(earphones) 380mAh/1.406Wh(charging case) | Charging time | about 1.5 hours | about 1.5 hours | about 1.5 hours | Wireless charging time | about 2 hours | not support | about 2 hours | Charge interface | Type-C | Type-C | Type-C | Sound | Ambient sound,Hybrid ANC Technology | Ambient sound,Hybrid ANC Technology, Dual-core DSP processing chips | Ambient sound,Hybrid ANC Technology | Calls | 4 microphones with noise reduction technology | 2 microphones with noise reduction technology | 2 microphones with noise reduction technology | Other features | Optical in-ear detection, ENC during calls,BES 5.0, touch control, AAC/SBC quality decoding | Low Latency AV Synchronization Hi-Fi Immersive audio touch control, AAC/SBC quality decoding | Low Latency AV Synchronization Active noise cancellation ENC during calls,touch control AAC/SBC high quality decoding |

  
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