Specification:1.Bluetooth Compatible Specifications: V4.12.Operating Frequency Band: 2.4GHz~2.48GHz unlicensed ISM Band3.Output Power: Class 2 Power Output、 up to 10 meters4.Support Profiles: HSP1.2、HFP1.6、AVRCP1.4、A2DP v1.25.Support SBC、APtX(Option) codec6.Support EQ mode(Option)、Voice prompt (Option)7.Battery Used: 60mAh (Rechargeable Lithium Polymer)、 3.7V DC8.Play Music time: up to 5Hours9.Standby time: up to 240hours10.Charger time: about 1.5hours Features: 1.CVC6.0 intelligent noise reduction.2 Suitable for all Bluetooth enabled devices. 3.Control music and calls from the headphones.4.Sweatproof design、best choice when sporting. 5.Calls hands-free、drive travel more at ease.6. With the newest CSR8645 Bluetooth 4.1 technology. 7.Allow you answer the phone anytime and anywhere. 8.Smart and light built-in 60mAh battery、easy protable.9.Magnet attraction design、hang like a necklace around your neck10.Ergonomic in ear design、comfortable to wear、metal tooling support deep bass.  Compatible with: iPhone 6\/ 6Plus\/ 5S\/ 5C\/ 5\/ 4S\/ 4\/ 3GS\/ 3G iPad 4th、 3rd、 2nd、 1st、 iPad Mini iPod Touch 4th\/ 5th\/ Nano 7\/ ipod shuffle Samsung Galaxy S6 S5 S4 S3 S2、 Note 5\/ Note 4\/ Note3\/ Note 2、 Tab Series HTC One M7 M8 Desire X Series S V Sony Xperia Z1 Z2; LG Pro 2 Series Or other Bluetooth-enabled device  Package include: 1 x Sport stereo bluetooth headphones 1 x USB Charging Cable 4 x Silicone rubber tips 1 x User Manual