Features:
1. LED status display, clear and clear, multi-button design, more convenient operation
2. ANC noise reduction and echo cancellation technology
3. Support TX dual stream, RX multi-point connection
4. I2S AUX 3.5MM audio interface, RX/TX can be switched freely with power
5. Built-in rechargeable battery, long battery life
6. Hands-free call, one-click answering of incoming calls
7. Support SBC, AAC, apt-X HD, apt-X LL, apt-X audio formats
8. The product connection is simple, without any cumbersome driving and downloading APP
9. The appearance of the product is exquisite

Product specifications:
1. Bluetooth chip: CSR8675
2. Bluetooth version: Bluetooth V5.0
3. Built-in battery: 250mAh
4. Audio performance: APTX/APTX LL/APTX HD/AAC/SBC
5. Bluetooth distance: more than 10m (open place)
6. Charging method: Micro USB (5V/0.5A) 7. Charging current: about 200mA
8. Charging time: about 2 hours
9. Battery life time: RX is greater than 18H, TX is greater than 22H
10. Compatible: Android, IOS system mobile phones and tablets, and Bluetooth speakers or earphones that support A2DP protocol to connect and use
11. Working frequency band: 2.402GHz -2.480GHz
12. Size: 48.5x48.5x12.5mm
13. Weight: 24g

Packing list:
Audio receiver transmitter x 1
3.5mm audio cable x 1
Micro USB power supply line x 1
Operation manual x 1