Portable Bluetooth speaker Work with the Bluetooth for wireless communication Stereo Bluetooth speaker, allow you enjoy wireless HI-FI stereo music Support 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 control volume With LED indicator Built-in Mic for you to answer phone call Built-in rechargeable lithium battery Support TF card Clean and transparent sound With non-slip bottom Product Specifications: Bluetooth Version: 3.0 Bluetooth Frequency: 2.42.48GHz Frequency Range: 80HZ15KHZ Signal-to-noise Ratio: >70dB Loudspeaker: 40mm 3W Battery Voltage: 3.7V Charging Voltage: 5V Power Raring: 3W Power input: Micro USB Size: 80 x 60 x 60 mm / 3.15 x 2.36 x 2.36 in Net Weight: 215 g / 7.58 oz Note: We provide different colors for your choice Package Contents: 1 x Bluetooth Speaker 1 x USB Cable 1 x 3.5mm Audio Cable 1 x User Manual