SpecificationsBluetooth version: V4.0Battery: Battery 3.7V/180mAhStandby time/Talk time: Up to 300 hours/ up to 10 hoursMusic play time: Up to 8 hoursCharging time: 2 hoursDimensions: 135.6 * 167.3 * 16.9 mmColor: Black/White/Pink/BluePackage included:1 x Bluetooth Headset1 x USB CABLE1 x User Manual1 set of pre-installed ear buds