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Overview and Specifications:

Bluetooth version: 4.2 Working voltage: 12-24v Limit voltage: 9-26v Sensitivity: -42 db +/3db 360 Working current: 45mA (maximum) Standby current: 25mA (maximum) Frequency: 2.402 to 2.480 GHZ Bluetooth effective distance: 8 m Sensitivity: -92 dBm Rf output: 4 dBm FM frequency: 87.5mhz – 108.0mhz Transmission power: 87 dBuv/107dBuv FM effective distance: 2 m  Product features 1. The device has battery voltage detection function; 2. Support bluetooth speaker-free communication, built-in microphone, and safe answer the phone; 3. Support the A2DP function of mobile phone, and play high quality music directly after connecting to bluetooth; 4. Turn on the power and start up automatically, and automatically enter the pairing state; 5. Support the extension of TF card /U disk to play music in MP3/WMA/WAV format; 6. Equipped with on-board charger, output 5V/ 3.1a, which can charge the handheld terminal equipment