Item Type: Speaker_x000D_ Material: Aluminium alloy_x000D_ Battery: A polymer lithium battery with a capacity of 800MAH (Battery Included)_x000D_ Voltage: 5V_x000D_ Product Height: Approx. 5cm / 2in_x000D_ Maximum Diameter: Approx. 7cm / 2.8in_x000D_ Weight: Approx. 118g / 4.2oz_x000D_ Color: Silver grey 1[Aluminum Alloy Material] Made of aluminum alloy material, which is wear resistant, exquisite workmanship, delicate touch, and can be used for a long time. 2[Bluetooth Connection] This speaker adopt Bluetooth sound decoding chip, support all Bluetooth device connection, and the receiving distance can be as long as 10 meters. 3[High Definition Stereo] With soft tones, clear high definition stereo, rich subwoofer, which is clear and dynamic, with distinct levels, to meet your various need. 4[Multifunctional] Support U disk, Micro storage card, Micro memory card play, automatic decoding of mainstream sound formats, plug and play, maximum support 32G memory card. 5[Hands Free Call] Support hands free Bluetooth calls, built in noise reduction sensitive microphone, can effectively reduce external noise during calls. 1 x Speaker (Battery Included) 1 x USB Cable