YYK-525 Single Rotatable Earhook Noise Cancelling Wireless Bluetooth Earphone with Charging Box & Digital Display Tag-Camera Cases - A: MicroSD and SD

- A: MicroSD and SD card

and use image storage technology for color storage

Big power with two bass diaphragms on each side

1mm female interfaces

which makes it easier to place the mouse and keyboard

YYK-525 Single Rotatable Earhook Noise Cancelling Wireless Bluetooth Earphone with Charging Box & Digital Display Tag-Camera Cases - A: MicroSD and SD1. Bluetooth version: V5. 0+EDR 2. Wireless frequency: 2. 4GHZ 3. Support protocol: A2DP1. 3 HFP1. 6 HSP1. 2 AVRCP1. 6 D11. 3 4. Transmission distance: 10m 5. Headphone battery capacity: 50mAh 6. Headphone charging voltage current: 5V 1A 7. Play talk time: about 4 hours 8. Charging time: about 1 hour 9. Standby time: 120 hours 10. Speaker impedance: 8mm diameter, 32 ohms 11. Microphone sensitivity: 42dB 12. Working temperature: 10 50 degrees Celsius