X999 Mini Wireless Noise Reduction With Digital Display Charging Bin Bluetooth Earphone(Pink) Filter-Headset Accessories Wireless switch wired

Wireless switch wired

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X999 Mini Wireless Noise Reduction With Digital Display Charging Bin Bluetooth Earphone(Pink) Filter-Headset Accessories Wireless switch wired1. Bluetooth: 5. 1 2. Signal transmission channel: CASSL2 3. RF transmission power: 90DB 4. Microphone sensitivity: 42DB 5. Transmission range: about 10 15m 6. Transmission rate: 24MBPS 7. Battery capacity: 40mAh for earphones, 400mAh for charging bin 8. Use time: about 4 5h 9. Charging interface: Type C USB C 10. Input voltage: DC 5V 1A Features: 1. Mini body shape, no feeling of wearing, comfortable and invisible 2. In ear noise isolation design,