1. Bluetooth 4.0
2. HSP, HFP, A2DP, AVRCP.
3. Wireless distance: 10m.
4. Driver: 20mWx2 5. Frequency: 20-20KHz
6. Music time: up to 18 hours.
7. Talk time: up to 19 hours.
8. Standby time: 500 hours.
9. Battery: Built-in 360mAh Li-battery.
10. Weight: 145g. Packaging: blister+color box Packing size: 198x60x238mm Packing weight: 336g Quantity / carton: 10pcs Carton size: 320x260x421mm Carton weight: 4kg