100% Brand New. Bluetooth synchronous broadcasting function Powerful and clear sound in unique design Compatible with Bluetooth phones， MP3/MP4/CD/PC/MAC/PSP， etc. TF/Micro SD card support Support A2DP，AVRCP，headset，handfree profile Pairing with your i phone， ipad and other smart phones， watching movies， playing games is the real enjoyment! Built-in lithium battery.Specifications: Color: Black Dimension: 60 x 60 x 50mm Bluetooth protocol: version 2.1 Bluetooth range: Up to 10meters. Talking time: Up to 5 hours Speaker: (Φ)45MM Loudspeaker Output: 3W Frequency Response: 280HZ-16KHz Signal-to-Noise: ≥95dB Distortion: ≤0.5% Battery Voltage/Capacity: 520mAh Battery Charging Voltage: 5V±0.5V Battery Charge Time: 2hoursPackage Content: 1 x Mini Bluetooth Speaker 1 x USB 2 in 1 line (charge+audio) 1 x User guide