Key Specifications/ Special Features:
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- Bluetooth chip: BT8925B2
- Bluetooth version: V5.3
- Channel System: Stereo
- Working frequency: 2. 402-2.480GHz.
- Support protocol: HSP/HFP/A2DP/AVRCP
- Bluetooth audio decoding: AAC SBC
- Transmission distance: 10 m
- Transmission power: Class 2
- Response frequency: 20HZ-20KHZ
- Speaker unit: Medium 15.4
- 20Q+15%, 121+3dB 10mW
- Microphone: 4015, -42+3dB omnidirectional
- Noise reduction type: single-mark algorithm call noise reduction
- Charging input standard: DC 5V/1A
- Battery type: 3.7V lithium battery, 601321 150mAh,
- Charging current: 120MA
- Charging time: about 1.5 hours
- Working time: about 10 hours at 80% volume
- Working current: 20MA
- Standby time: 150 hours
- Buttons: 3 x physical buttons
- Indicator light: 1 x orange light, 1 x white light
- Voice instructions: Chinese and English
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