brand new and high quality Features: Built-in Bluetooth-compatible wireless module, upto 10m transmission distance. HIFI sound quality with high-pertormance 40mm drivers. Support hands-free calls with microphone. Built-in Rechargeable li-ion Battery. Support 99% of bluetooth-enable devices, such as mobile phones, laptop computer etc. Bluetooth-compatible version 3.0 Can connect various brands of mobile phones, for IPAD tablets, car Bluetooth-compatibletooth, and other Bluetooth-compatible devices, version 3.0 transmission signal is fast, 10 meters distance is stable and clear, solves the problem of short wires and short wires, causing trouble Wireless, where to put it where you want it. Use Bluetooth-compatible to connect your phone, the speaker has a microphone, you can use it easily, zero radiation, good for your for health. TF card music playback function Full code rate compatible: from 64K to 320K, for all current MP3 code rates Wireless effective transmission distance up to 10 meters Hands-free mode Specifications: Design: Round for: MP3,Tablet PC,for iPod,for iPhone,Computer Supports: Loudspeaker,Airplay Connection: Wireless Interface: USB3.0 Audio Source: Bluetooth-compatible Enabled Devices Power Output: 3W Battery Capacity: 200mAh USB charging input voltage: 5V Speaker rated power output: 3W Charging Time: 2 hours Working Time: 4-6 hours size (L x for W x H): 9 x 7x 7cm / 3.54 x 2.76 x 2.76 in Notes: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Included: 1 x Bluetooth-compatible Speaker 1 x USB Power Cable 1x Box 1x Manual