H21
Bluetooth Version: 5.0
ANC Manner: Hybrid: “FF FB”
Protocols Supported: A2DP CODED: SBC
Transmission Frequency: 2.402-2.480 GHz
Rated Power Voltage: DC 3.7V
Standby Time: Up to 15days
BT ANC off Music Play Time: Up to 24H@50% Volume
BT ANC Music play Time: Up to 20H@50@ Volume
Power Supply: Micro USB DC 5V/500mA
Charging Voltage: DC4.5~5.5V
Charging Time: 2.5Hours
Battery Capacity: 850mAh
Voltage Range: DC3.1-4.2V
