OMS-M10 Bluetooth 5.4 Adapter Audio Receiver FM Transmitter U Disk 3 In 1 1. Using bluetooth 5.4 + DSP dual chip decoding, compatibility and stability stronger 2. Bluetooth receiver, bluetooth transmitter, FM transmitter worldwide, three-in-one design 3. Receiving mode upgraded one to two, can connect two cell phones at the same time to listen to songs 4. LED digital display large screen display, the use of the status at a glance, clearly visible 5. Equipped with RGB cool breathing lights, multi-color flashing breathing gradient 6. Support a variety of lossless decoding format SBC, sound quality is more beautiful 7. Built-in 400mAh rechargeable lithium battery, listening to songs for 6 hours, filled with 1 hour, standby battery life up to 30 days 8. Support USB (U disk) playback and transmission 9. Simple connection, without any driver and download APP 10. FM transmitting 76-108MHz worldwide, built-in FM enhancement antenna, signal stability and anti-interference strong Parameters: 1. Pair name: M10 2. Bluetooth version: bluetooth V5.4 3. Support protocol: RX: A2DP AVRC; TX: A2DP 4. Working frequency band: 2.402GHz -2.480GHz 5. Power level: 2 6. Sensitivity: -85dBm less than 0.1 percent BER 7. Signal-to-noise ratio: greater than or equal to 90dB 8. Distortion: less than or equal to 0.1 percent 9. Interface type: input: 3.5mm AUX+RCA+USB; output: 3.5mm AUX+RCA 10. FM frequency range: FM76-108MHz can be adjusted (RX, TX mode can be FM transmission) 11. Support format: MP3WAVWMAAPEFLACM4AALACAMR 12. Support protocol: SBCAAC protocol 13. Operating current: less than 40mA 14. Built-in battery: 3.7V400mAh (3.7W) 15. Charging current: about 400mA 16. Endurance time: RX about 6-8H, TX about 8H 17. Bluetooth distance: 20m (without obstacles) 18. Charging method: Type-C 5V1000mA (Max) 19. Size: 78.5 x 73 x 23.7mm 20. Weight: 73.3g Packing list: host + Type-C charging cable + 3.5mm audio cable + red and white RCA lotus cable + instru