Description:1. Function: bluetooth hands-free calls, FM transmitter, car charger, car MP3.2. LCD display.3. CVC technology: echo cancellation & noise reduction.4. Support A2DP, playing stereo music via bluetooth.5. Support TF card (TF card is not included).6. After starting up, it automatic pairs the last device.7. With car charger, it could charge your digital products (5V2100m). Feature: Input Voltage 12 ~ 24v Output Voltage 5v 0.25v Output Current 2100m A (MAX) Short Circuit Current Protection 2.4 ~ 3FM Frequency 87.5 M Hz 108.0 M Hzbluetooth Version V3.0 + EDRSensivity-42db 3db Voltage 5V+ / -0.5 V Working Current 45m A (MAX) Standby Current 25m A (MAX) Range 5m SNR68db Frequency Response 20 Hz
- 15 Khz Degree of Separation 60d Bbluetooth Protocol HFP / HSP, A2DP / AVRCPPower 1WAudio Format MP3 / WMA / WAV / SBCTransmitted Power 87d Bm / 107d Bm Radio Frequency Output 4d Bm Working Temperature-10 ~ 70 Degree Working Humidity 0 ~ 95% Package Included:1 X FM bluetooth Transmitter 1 X User Manual