Feature: flexible hose suitable for all types of models Auto start after ignition, can display the current car battery voltage U disk and TF card support to play music, Read MP3 songs from the USB flash disk or MP3 player directly then broadcasts songs through the car FM Tuner Within the audio transmission of the mobile phone via Bluetooth A2DP and stereo music to the car stereo Supports hfp / hsp, opp, A2DP / AVRCP, PBAP and other Bluetooth Protocol You have the voice telephone number of the voice command function FM transmitting frequency range: 88.1 ~ 107.9 MHz handsfree bluetooth, full-duplex Bluetooth phone, DSP echo and noise canceling function USB interface can charge for all kinds of cell phone With the power switch Power wide voltage suitable for all types of automotive voltage Specifications: Frequency range FM 88.1 ~ 107.9 MHz The transmission distance 5M Audio format: mp3 / wma / wav / sbc Snr: 68dB Distortion: <0.1% Frequency response: 20 Hz-15 KHz left channel separation and right:> 60dB Bluetooth Version: Bluetooth 2.1 + EDR Bluetooth protocol: hfp / hsp, opp, A2DP / AVRCP, PBAP Operating Voltage: DC 9 ~ 26 V Power consumption: <1 W Operating temperature: -10 ~ 70graus Humidity: 0 ~ 95% Dimension:8.5(L)*4.6(W)*21(H)cm Weight:0.35kg Color:Black Material:ABS