Specifications:Support A2DP， AVRCP， headset， handsfree profileBluetooth Version: V3.0Working Range: Up to 10mWorking Time: 5 hoursSpeaker: (?)45MMLoudspeaker output: 3WFrequency Response: 280HZ-16HZSignal-to-noise: ��95 dBDistortion: ��0.5%Battery Voltage/Capacity: 520mAhBattery Charging Voltage: 5V��0.5Charging Time: 2 hours_________Compatible with: any mobile device comes with Bluetooth functionColor: BlackNet Weight: 148g/5.22ozDimension: 60x65mm/_________Package Included:1x Bluetooth Wireless Portable TF Mini Speaker1x 3.5mm Audio Cable1x USB Charging Cable(Do not include TF card)