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- Brand Name:Â BASEUS
- BASEUS Model:Â B51
- Style:Â In-ear
- Certification:Â CE
- Certification:Â RoHS
- Vocalism Principle:Â Dynamic
- Origin:Â CN(Origin)
- Control Button:Â Yes
- Active Noise-Cancellation:Â Yes
- Communication:Â True Wireless
- Volume Control:Â Yes
- Sensitivity:Â 0dB
- Wireless Type:Â bluetooth
- Is wireless:Â Yes
- Max Output:Â 0mW
- Line Length:Â 0m
- Support APP:Â Yes
- Function:Â for Video Game
- Function:Â Common Headphone
- Function:Â For Mobile Phone
- Function:Â HiFi Headphone
- Function:Â Sport
- Number Of Drivers:Â 2
- Plug Type:Â NONE
- Package List:Â User Manual
- Package List:Â Charging case
- Package List:Â Charging Cable
- Package List:Â Replaceable Pads Set
- Impedance Range: from 33 to 100 Ω
- Connectors:Â Type c
- Model Number:Â SIMU TWS S1
- Earcups Type:Â Sealed
- Headphone Pads Material:Â Other
- Bluetooth Version:Â Other
- Codecs:Â AAC
- Codecs:Â sbc
- Support Memory Card:Â No
- Driver Diameter:Â 0mm
- Resistance: 30Ω
- Waterproof:Â Yes
- Frequency Response Range:Â 20 – 20000Hz
- Total Harmonic Distortion:Â 1%
- With Microphone:Â Yes
- Features:Â waterproof
- Features:Â With Microphone
- Features:Â Apple Siri Support
- Features:Â Active Noice Cancelling
- Features:Â Dual Connection
- Features:Â Playback Control
- Charging Method:Â Charging case
- Magnet Type:Â Other
- Battery capacity1:Â 40mah/0.148wh(earphones)
- Battery capacity2:Â 380mah/1.406wh(charging case)
- BLUETOOTH:Â 5.1
Features
1.Active noise cancellation mode
2.Ambient sound mode
3.Wireless V5.1 technology
4.LDS antenna
5.AAC / SBC high quality decoding
ANC True wireless earphones S1/S1 pro
*S1 pro earphones support the wireless charging

The earphones have two modes: deep noise cancellation and ambient sound mode.

1.Active noise cancellation
2.Optimized noise reduction algorithm
3.Dual-core DSP processing chips

1.AAC/SBC high quality decoding
2.10mm Neodymium magnet moving coils
3. Well-balanced triple frequency

2.No stutter
3.Low power consumption

2. Wide signal range
3.Without occupying circuit space


Long press left or right earphone 1-2 seconds disable ANC-enable ASM-enable ANC
Double-click the right earphone (R) play/pause
Double-click the left earphone (L) activate voice assistant (Siri)
Call mode:
Double-click left or right earphone answer/ hang up
Long press left or right earphone 2 seconds reject a call
They come with 3 sizes of soft silicone ear tips to perfectly fit different ear canals, hard to drop.

Name: Baseus SIMU ANC True Wireless Earphones
Model: Baseus SIMU S1/ S1 Pro
Color: Black / White(S1)
Tarnish/Blue(S1 Pro)
Material: ABS+PC
Version: V5.1
Communication distance: 10m
Standby time: 300 hours
Music time: 4.5hours(70% of the volume, ANC On); 5 hours(70% of the volume. ANC Off)
Music time with a charging case: 20~24 hours
Battery capacity: 40mAh/0.148Wh(earphones) 380mAh/1.406Wh(charging case)
Charging time: About 1.5 hours
Wireless charging time(S1 Pro):About 2 hours
Frequency response range: 20Hz-20KHz
Charging interface: Type-C
Suitbale for: Compatible with all wireless device

S1 pro:Tarnish/Blue















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