Features: MGOM X8 portable Bluetooth speaker Work with the Bluetooth for wireless communication Special touch switch design with auto-lock function (Locked after non-work for 1 minute) Support switch songs and volume Support phone calls and FM Stereo Bluetooth speaker， supporting A2DP/AVRCP， allow you enjoy wireless HI-FI stereo music With AUX input， easy to enjoy music from PC， iPhone， iPod， cellphones and more Support phone and other devices that has Bluetooth function Support switch songs and volume control With LED indicator Built-in Mic for you to answer phone call Built-in rechargeable li-polymer battery Support TF card up to 32GB Clean and transparent sound With non-slip bottom Specifications: Bluetooth Version: 2.1 + EDR Bluetooth Profiles: HFP and HSP Frequency: 2.4~2.48GHz Operating Range: 10m Signal-to-noise Ratio: 75dB Distortion Rate: <5% Impedance: 4ohm Line Input: Micro USB Working Time£º3~5h Battery: Li-polymer battery Battery Voltage: 3.7V Charging Voltage: 5V Power Raring: 3W Power Input: Micro USB Size: 110 x 110 x 27 mm Product Weight: 175 g Package Includes: 1 x Bluetooth Speaker 1 x USB Cable 1 x User Manual