Summary: Unique mini fashion design， convenient to carry The unit made by professional hi-fi solution 4 kinds of play mode: TF card， AUX in， FM radio， Bluetooth With srong structure Supports bluetooth hands-free conversations Built-in lithium rechargeable battery Main Features: Model: S08U Design: Mini， Portable， Cool， Stylish Features: Built-in Rechargeable Battery Supports: Hands-free Calls， Volume Control， TF Card Music Playing， LED Shinning， Bluetooth， Microphone， FM Functions: Stereo， AUX Function， Songs Track Compatible With: PC， Mobile Phone， PSP， MP5， Laptop， iPhone， Tablet PC， iPod Connection: Wireless Interface: 3.5mm Audio， USB2.0， Mini USB， TF Card Slot Audio Source: TF/Micro SD Card， Electronic Products with 3.5mm Plug， U-disk Material: Metal Color: Black Specification: Protocol: AVRCP， A2DP Transmission Distance: W/O obstacles 10m Driver Unit: 45mm Freq: 280Hz-16KHz S/N: 95dB Bluetooth Version: V3.0+EDR Power Source: Battery Charging Voltage: DC 5V Power Output: 3W Charging Time��2 hours Lasting Time��5 hours Battery Capacity��520mA Product Weight��0.224 kg Package Weight��0.315 kg Product Size (L x W x H)��6.2 x 6.2 x 5.8 cm / 2.4 x 2.4 x 2.3 inches Package Size (L x W x H)��7 x 7 x 8 cm Package Content : 1 x Bluetooth Speaker， 1 x 2 in 1 Cable