100% 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 3.0Can connect various brands of mobile phones, I-PAD 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 health.TF card music playback functionFull code rate compatible: from 64K to 320K, compatible with all current MP3 code ratesWireless effective transmission distance up to 10 metersHands-free mode Specifications:Design: RoundCompatible with: MP3,Tablet PC,i-Pod,i-Phone,ComputerSupports: Loudspeaker,AirplayConnection: WirelessInterface: USB3.0A-udio Source: Bluetooth-compatible Enabled DevicesPower Output: 3WBattery Capacity: 200mAhUSB charging input voltage: 5VSpeaker rated power output: 3WCharging Time: 2 hoursWorking Time: 4-6 hours size (L x 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. Thank you Package Included:1 x Bluetooth-compatible Speaker1 x USB Power Cable1x Box1x Manual