feature: HIFI stereo sound,Except supporting MP3 files, this speaker also supports WAV file and WMA. Bluetooth speaker, FM radio, Micro SD card / TF card (Max. support 32GB) This wireless speaker use a Bluetooth 4.1 chip, the connection distance is greater. Wireless control box for mobile phone compatible with phone, tablet, television, notebook. New decisions, give you a fresh start to enjoy the music. Hold it in your hands,Palm sized body, easy to carry, where to go to hear. Enjoy enchanting music anytime and anywhere. Specification: Bluetooth Version: V4.1 + EDR Po: 3W Battery: 3.7V 400mAh Range: about 10m Charging time: 2-3 hour Playing time: 2-2.5 hour SNR:>90dB TF/U disc Storage: <32G Charging Mode: Micro USB Description: Ultra Portable and Easily usage Crystal Clear Sound Quality Universal Connectivity Easy Charging Package Included: 1 X Bluetooth Speaker 1 X Micro USB cable