Features: Multi-play Function – Wireless audio streaming (apply to all Bluetooth-enabled devices) 3.5mm AUX Line-in port – audio port for non-Bluetooth devices such as MP3, MP4,CD Players USB Flash Drives and micro SD Card play supported Telephone Answering Function (hands free) The internal microphone supports answer,reject, end a call directly from speakers With the standard Bluetooth 3.0 function, can connect to computer (laptop and the desktop with the Bluetooth Adapter), phones, etc Support the MP3, WMA, WAV files Power: lithium battery, or with 5V Mini USB power supply Specifications: Driver: 1.5" *2 Output Power: 3W x 2. Operating Range: 10M (32 ft – no obstacles such as door , wall) Talking Time: 5 hours Playing time: 8 hours (normal volume) Standby time: 48 hours Charging time: 2-3 hours Signal to noise ratio: 80db Loudspeaker: External diameter 50mm Power supply: Power adapter 5.0V / 1000mAh Compatibility: Bluetooth Enabled Mobile Phones Bluetooth Enabled Tablet PCs Bluetooth Enabled PCs, Laptops, Netbooks Any device with a 3.5’ audio AUX port Package Content: 1 x Bluetooth Speaker 1x 3.5mm Jack Aux in Cable 1 x USB charging cable