X999 Mini Wireless Noise Reduction With Digital Display Charging Bin Bluetooth Earphone(White) Filter-SD Card please put it in a

please put it in a dry and cool place and make it full charged once every three months

Carton Size 42cm * 42cm * 62cm / 16

and resistant to folding

Carton Size 32cm * 54cm * 52cm / 12

X999 Mini Wireless Noise Reduction With Digital Display Charging Bin Bluetooth Earphone(White) Filter-SD Card please put it in a1. 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,