... with 3.5"TFT monitor 4.Bak up wireless Model: LV-5608V2*Car Bluetooth Hands-Free Communicating and Mobile Bluethooth Stereo Music ... , With 3.5" TFT monitor and back up wireless camera . • Specifications: 1,Bluetooth version: V2.0 and A2DP 2,Working voltage: 12 ... capacity: 400mAh 5,Standby time: 120 hours 6,Earphone battery capacity: 60mAh 7,Earphone working time: 2 hours 8,FM radio frequency ...