This wireless mini speaker is specially designed for music lovers. HIFI stereo system brings you a better listening experience. Built-in HD microphone helps you answer calls conveniently while driving or doing housework. Support FM， TF card and USB playback. Our aim is trying our best to satisfy our customers， so just hurry up to start shopping in our store， a wonderful shopping experience is waiting for you. Features:Support 3.5mm LINE IN， TF card， USB playback and FM radio.Support MP3， WMA， WAV， PE， FLAC music formats.LED display， support clock and shut off alarm.Bluetooth hands-free call， support voice report number.Dual speaker and large diaphragm， 5Wx2 AMP IC for excellent tone quality. Specifications:Bluetooth version: V4.0.Built-in 1200mAh Li battery.Power output: 5Wx2.Frequency response: 80HZ-20K.Distortion: 0.06%.Transmission distance: 10M.USB voltage: DC 5V.Power input: 500~1000mA.FM radio: 87.5-108MHZ.Impedance: 3 Ohm.SNR: >80db.Dimension: approx. 240x55x61.5mm.Net weight: approx. 670g.Color: Black with Red100% Brand new.Suitable for:Cell phone， tablet， notebook， PC that have Bluetooth function. Package Includes:1 x Mini speaker1 x USB cable1 x Audio cable1 x User manual1 x Original Package