Technology Standard: Bluetooth version V2.0 + EDR Chipset : Broadcom Single Chipset Bluetooth performance standard: Support Headset and mobile phone model Transmitter power: Class 2 Sensitive: < -75 dBm Transmitter distance: 10M Power Parameter Charger power: INPUT 100-240 VAC OUTPUT 5 VDC Working volt: 3.7V Battery: Rechargeable Li-Polymer battery 35mAh Charging time: 2hours Talking time: 2.5hours Standby time: 35hours Package Information Product size (mm): 36*16*8.2 Headset weight: 8g Packaging: Headset + Linked ears + Chargers + operation instruction + colour box |