Brand Name: TOPK 

Style: On-ear 

Vocalism Principle: Dynamic 

Origin: CN(Origin) 

Control Button: Yes 

Active Noise-Cancellation: No 

Communication: Wireless 

Volume Control: Yes 

Sensitivity: 90dBdB 

Wireless Type: Bluetooth 

Is wireless: Yes 

Support APP: Yes 

Function: Monitor Headphone 

Function: for Video Game 

Function: Common Headphone 

Function: For Mobile Phone 

Function: HiFi Headphone 

Function: Sport 

Number Of Drivers: 2 

Plug Type: NONE 

Package List: User Manual 

Package List: Charging case 

Package List: Charging Cable 

Impedance Range: up to 32 Ω 

Connectors: None 

Model Number: F22 

Bluetooth Version: 5.0 

Codecs: sbc 

Support Memory Card: No 

Driver Diameter: 8mm 

Resistance: 32ΩΩ 

Waterproof: Yes 

With Microphone: Yes 

Features: Active Noice Cancelling 

Charging Method: Charging case 

Color: Black 

Earphone Features: Stereo Bass Bluetooth headset 

Earphone Features 2: Waterproof Bluetooth earphone 

Earphone Features 1: Sport Bluetooth headset 

Support Agreement: HFP/HSP/A2DP/AVRCP 

Wireless Headset Version: V5.0 

Communication Distance: 10 Meters (no obstacles) 

Charging Time: About 2 hours 

Supporting Agreement: HEP/HSP/A2D/AVRCP 

Headphone battery capacity: 50mAh 

Charging box battery capacity: 300mAh