Features: The sport stereo Bluetooth headset uses stylish shape design.It uses the renowned stereo Bluetooth 4.0 chip to ensure high-fidelity sound quality， stable performance and excellent communication effect.Supports NFC (One-touch pairing: Near Field Communication technology， complete the paring between two Bluetooth devices with simple tap.) and hands-free call.Compatible with almost all Bluetooth-enabled mobile devicesSpecifications:Bluetooth Name: BM170 Bluetooth Version: Bluetooth 4.0 + EDRBluetooth profile: HSP， HFP， A2DP， AVRCP Bluetooth working range: 10mRechargeable battery type: Li- Polymer battery Frequency response: 200Hz ~ 20KHzCharging time: 2.5 hoursTalk Time: Up to 8 hours Music Play Time: 5 hoursStandby Time: 72 hoursColor: White， Black，Blue，Pink，Green (Optional)Main item weight: 51g / 1.8ozPackage size: 21.5 * 18.0 * 4.8cm / 8.64 * 7.08 * 1.89 inPackage weight: 196g / 6.95ozCompatible Models: For iPhone6 6Plus 5S/ 5C/ 5/ 4S/ 4/ 3GS/ and all bluethooth devicesPackage list: 1 * BM-170 Wireless Sport Stereo Bluetooth Headset1 * USB Cable2 * Pairs od Earbuds1 * English / Chinese User Manual