Product meaning

Headphone style: On-ear
Noise control: Noise filtering for voice calls
Connectivity: Wireless
Control method: Remote
Material: Plastic
Control type: Volume control
Cable function: Without cable
Age group: Adult
Water resistance level: Water resistant
Power supply: USB charging (built-in battery)
Rechargeable battery: Lithium battery

Wireless Version V5.3
Wireless Profiles: A2DP/HFP/HSP/AVRCP
Charging time: 2 hours
Standby: 280 hours
Output: 5V 1A
Input: 5V Above800 mA
Battery Specification: Headset 3.7 V - 50mA
Sensitivity: 105dB +-3dB S.PL at 1 KHz
Music play: about 5 hours (Erbuds)