Brand Name: TOPK

Style: Earbuds

Vocalism Principle: Dynamic

Control Button: Yes

Active Noise-Cancellation: yes

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

·         With Microphone: Yes

Impedance Range: up to 32 Ω

Bluetooth Version: 5.0

Model Number: F22

·         Headphone battery capacity: 50mAh

Driver Diameter: 8mm

·         Charging Time: About 2 hours

Charging box battery capacity: 300mAh

·         Charging Time: About 2 hours