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