Detail produk dari BT8118 Wireless Bluetooth FM Transmitter Radio Adapter MP3 Music Player Phone Car Kit Mount Holder Bracket With Handsfree Calling (Intl) Stand with adjustable smart phone, GPS and MP3 Player holder. DSP technology, full duplex, noise and echo suppression. Rotating head allows angle adjustments, horizontal or vertical device orientation. Digital tube display. Support FM Transmitter: 87.5-108.0MHz, Frequencies. Hands free: Supports smart phone handsfree talking. Voice prompt function. 3.5mm Aux-in plug with micro phone. Car charger with standard USB charging port, output 5V/1A. Broadcast your music while charging phone or iPod MP3 Player. Specification: Bluetooth version: 2.1 The frequency of bluetooth working: 2.4GHz The connecting distance of phones and the device:0-15M Play MP3,WMA format files from USB disk Power off memory Automatically connect after power on Mic effective range:0-50cm FM transmitting frequency: 87.5-108.0MHz Support cell phone range: 58-105mm width The environment temperature for operating:-10-70C The environment temperature for storage: -20-80C Instruction: After plug the item into your car, please kindly connect the wire to the AUX port of your car. You could search for the device via your phone and connect them or you could insert a SD card and enjoy the music via the item. Please adjust your transmitter and car radio at the same frequency to avoid noise. You could kindly press the "" and ">" for 2 seconds to adjust the frequency of your transmitter. Best sound volume should be at 24 to 26.