Specification: Color: Green、 Blue、 Pink、 White Note: Please kindly leave us a PAYPAL NOTE specifying your favorite color、 otherwise we will send it in Random. Working Range: Up to 10M Working Time: 4 hours Charging Time: 2 hours Battery Charging Voltage: 5V±0.5V Battery Capacity: 500mAh Loudspeaker Output: 3W Input power: DC 5V Frequency Response: 280HZ-16KHZ Signal-to Noise: >95dB Distortion: ≤0.5% Dimension: Approx. 6x6x5.8cm\/ 2.4x2.4x2.28" Excellent Bass Music LED lights will change color Support TF card Support A2DP、 AVRCP、 headset、 handsfree profile Build in MIC Wireless Bluetooth 3.0 + EDR External audio input Support FM Volume control Built in rechargeable battery、 charged by computer via USB interface Compact and portable、 convenient to carry Compatible With: cellphones、 iPad、 tables、 iPod etc. (devices coming with Bluetooth)、 such as iPad、 iPod、 iPhone5\/5c\/5S\/6\/6+、 Samsung Galaxy Note3\/4 etc.  Package Included: 1 x Mini Bluetooth Wireless Speaker 1 x USB Cable