B2 Dual USB Charging Bluetooth FM Transmitter 1. Support Hands-Free Call, TF Card and U Disk. 2. Support mobiles A2DP function. Music will be played directly while the mobile phone is connected. 3. Play and plug. 4. Parameter: Rated working voltage: 12-24V Power consumption: 0.5W Working temperature: -10~70 degrees Frequency response: 20Hz~15Khz Audio format: MP3 Support Bluetooth protocol: HFP/HSP, OPP, A2DP/AVRCP, PBAP Signal to noise ratio: 68dB Bluetooth version: v3.0+EDR Bluetooth sound processing: A2DP (Advance Audio Distribution Profile) Bluetooth transmission distance: 10~15m FM transmission frequency: 87.5~108.0Mhz USB fast charge output: 5V/1A
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