Car Bluetooth Wireless FM Transmitter AUX Radio Adapter MP3 Handsfree Call Kit 
<br />Features: Support Bluetooth hands-free phone calling via its built-in microphone Noise and wind suppressed by CVC technology to create full duplex sound quality Support mobile's A2DP function. Music will be played directly while the mobile phone is connected Mobile phone can be connected automatically when the device turns on Support an external TF card, can play music files on MP3/WMA format Integrated car charger of output 5V-100mA, is available for charging handheld devices in car 
<br />Specifications: Bluetooth 
<br />version: V3.0+EDR Class 2 
<br />Frequency: 2.402~2.480GHz 
<br />Sencitity: -42dB±3dB 360round Working 
<br />voltage: 5V±0.5V Working 
<br />current: 45A Max Standby 
<br />current: 25mA Max Effective 
<br />distance: 5m 
<br />Sensitivity: -92dB RF 
<br />Output: 4dBm Car charger input 
<br />voltage: 12-26V Output 
<br />voltage: 5V±0.25V Output 
<br />current: 1000mA Max Shourt circuit protection 
<br />current: 2.4-3A 
<br />Color:Sliver,Black Package 
<br />Content: 1 x Car FM Transmitter 1 x Remote Control