GTMEDIA RT05 Bluetooth 5.0 Audio Receiver and Transmitter 2 in 1 Adapter RT05 is a Bluetooth 5.0 receiver and transmitter audio adapter, which it can compatible with all mobile phone or tablet,also can work on the Car, computer, tv, older version speaker etc. Whether you are studying, living or working, share audio at any time. Product parameters: 1. Product model: GT-RT05 2. Bluetooth version: V5.0 3. Support portcol: RX A2DPIAVRC,TX: A2DP 4. Frequency range: 2400-2483.5MHz 5. Sensitivity: -81dBm<0.1 percent BER 6. Transmission distance: Barrier-free about >10m 7.Frequency response: 10Hz-20KHz 8. Signal-to-noise ratio: ≧75db 9. Audio Performance: SBC decode 10. Interface type: Aux-in 3.5mm audio x 1, Aux-out 3.5mm x 2 11. Power supply mode: Type-C interface 12. Input parameters: DC 5V 500mA (2A max) 13. Battery capacity: 3.7V250mAh 0.925Wh 14. Using the length: About 5-6 hours (Charging time: about 1.5 hours) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.