Support A2DP, AVRCP, Handsfree profile, FM radio With FM function, can search radio station broadcast automatically International advanced wireless chip and circuit design techniques, support all wireless devices With Hi-Fi speaker, to make sure the clear and bright sound Support Micro SD card and USB card, play MP3 format audio The wireless working distance is 10 meters With AUX line in, can directly connect the outside devices,for example, tablet PC/TV/cellphones It will close automatically after 30 mins if bluetooth mode no connection Specifications: Wireless transmission range: 10M Audio noise ratio: About 90db Battery capacity: 1200mAh Built-in voltage: 3.7V Normal volume playback: 2H~4H Speaker Specifications: 52MM*2 Speaker power: 4/5W*2 Frequency response: 120HZ-20KHZ Product size: 75 x 75 x 172.8mm Charging voltage: 5V/500MA MEAS: 40.5*38.5*42.3CM Support TF card, u disk, Aux, FM radio, bracket function Compatible with: Apple Samsung Huawei Xiaomi, etc, Bluetooth enabled devices Package included: 1 x Bluetooth Speaker 1 x USB Charging Cable 1 x AUX Cable 1 x English and Chinese User Manual Other items not included