Features:1. Easy to use， excellent sound， smart design2. Bluetooth V4.03. Operating Range: Up to 10 Meters4. Charging Time: Approximately 2 hours5. Talk Time: Up to 4.5 hours6. Standby Time: Up to 100 hours7. Dimensions (inch): L 2 x W 0.78 x H 0.988. Light weight9. 3.7v Li-polymer Battery， 70mAh10. Optional Ear Hook， Includes earphone together.11. Compatible with all Phones that are Bluetooth enabled12. Bluetooth connect 2 phones13. Language control phone calls just by YES OR NO14. Perfect Leather surface， business stylePackage includes:(without original retail box)1 x Joway H05 headset1× Headset Cable