MB2 CSR Wireless Audio Adapter Bluetooth 5.0 Receiver & Transmitter

1. Bluetooth version: Bluetooth V5.02. Support protocol: RX (A2DP/AVRCP), TX (A2DP)3. Working frequency band: 2.402GHz -2.480GHz4. Support dual stream (TX mode): support a transmitter to connect two Bluetooth speakers or earphones at the same time to use a CODEC at the same time, can support APTX LL5. Support multi-point connection (RX mode): support to connect two mobile phones6. Battery capacity: 500mAh7. Charging current: about 350mA8. Charging time: about 2.5 hours9. Bluetooth distance: greater than 80m (unobstructed)10. Charging method: Micro USB 5V/0.5A11. Input/output connection mode: RCA interface, I2S AUX interface, support RCA, AUX dual simultaneous output12. Compatible: Android, IOS system mobile phone and PAD, and Bluetooth speakers or earphones supporting A2DP protocol to connect and use13. Size: about 11x9x2.5cm14. Weight: about 70gFeatures:1. Exquisite appearance2. Using CSR high-end chip design3. One-key switch between RX and TX modes4. RCA, I2S audio input/output interface,