USAMS BU12 TWS Half In-Ear Bluetooth 5.1 Wireless Earphones, USAMS BU121. Upgraded BT 5. 1, fast and stable connection. 2. Dual channel stereo, immersive HiFi sound quality. 3. Built in microphone, sensitive touch control. 4. Transparent shell, unique macaron color. Parameter: 1. Material: ABS+PC 2. BT version: 5. 1 3. Connection range: <=12 meters 4. Speaker diameter: 13mm 5. Speaker sensitivity: 115 + 3dB 6. Speaker Impedance: 32ohm 7. Speaker frequency response: 20Hz~20KHz 8. SNR: >70 9. Earbud weight: about 3g x2 10.

Wireless protocol: Bluetooth dual mode

Functions Airplay

such as laptops or tablets

40HQ: 521 cartons * 66 pcs = 34386 pcs

System requirements: Linux

Carton Size 50cm * 50cm * 43cm / 19

5 leather wire

Easy to insert and remove

ensuring compatibility with different power outlets for hassle-free usage

Screen: flexible eye protection LCD + super bright film

You need to read them

Digital display of charging power