Havit H619BT Audio series-Bluetooth headphone

Function: ①AUX / ②Button Control / ③Long Life Battery / ④ Three EQ modes Bluetooth Version: V5.4 | Headphone Battery: 400mAh | Play Time: 20h (60% Vol.) Talk Time: 16h | Charging Time: 2H | USB Port: Type-C Headphone Dimension: 168*190*85mm | Headphone Net Weight: 190g Wireless Working Range: 10M (without obstacles) | Profiles Supported: HFP/HSP/A2DP/AVRCP Audio code: SBC/AAC | Speaker Size: Φ40mm Speaker Frequency: 20Hz~20KHz | Impedance: 32Ω Input Voltage / Current: DC 5V/1A”