... with 3.5"TFT monitor 4.Bak up wireless Model: LV-5608V2*Car Bluetooth Hands-Free Communicating and Mobile Bluethooth Stereo Music Player System ... last number redial6, independent Wireless earpiece to protect personal privacy. 7, Built-in FM transmitter , frequency (88.1~107.9MHz) ... 5,Standby time: 120 hours 6,Earphone battery capacity: 60mAh 7,Earphone working time: 2 hours 8,FM radio frequency: 88 ...