The New Upgrade,NFC Smart Connection,Seconds To Connect More Convenient And Faster HIFI Super Bass Sound,HD Stereo Audio Music Low Latency, High Fidelity, No noise, Restore CD-level HIFI Sound Quality Bluetooth 5 0 Chip Support APP Remote Control:The world's first Bluetooth Audio Receiver supporting APP operation Memory Pairing Automatic Connection:After The Device Is Successfully Connected,The Mobile Phone After Entering The Connection Range,It Can Be Connected Back Automatically Android APP: "Bluetooth Partner"Apple IOS APP:"BTmate"Infrared Remote Control:Support 5-8 Meters Infrared Remote Control, Each Operation Is Simple And Convenient Long-Distance:15 Meters Long-distance Transmission And Reception DistanceInterface:3 5MM AUX/RCA/U Disk JackSupport Music Format: MP3/FLAC/WMA/APE/WAVType-C Interface Power SupplyFor Wired Speaker/Home Speaker/Power amplifier/Headphone/Car kit/Stereo SystemProduct Name:M10 NFC Bluetooth Audio ReceiverOutput Parameter:DC 5VBluetooth Version: V5 0+EDRBluetooth protocol: A2DP/AVRCPBluetooth distance: 15 metersInterface: RCA/AUX/USBFrequency range: 10Hz-20kHzSignal to noise ratio: Greater than 110dBImpedance: 75Support Multiple Audio Output Ports: Can Connect With 3 5mm Headset, Stereo System, Speaker System Support: All Bluetooth audio device; NFC Available DeviceMaterial:ABScolour:blackPackage Contents:1 x Receiver 1 x Charging cable 1 x remote control 1 x Chinese and English manualOnly the above package content, other products are not included Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing The measurement allowed error is +/- 1-3cm