Pro 19 Stereo Bluetooth Wireless Earbuds With Powerbank.

Vocalism Principle: Dynamic
Control Button: Yes
Active Noise-Cancellation: Yes
Communication: Wireless
Volume Control:Yes
Style: Ear Hook
Wireless Type: bluetooth
Line Length: Nonem
Function: HiFi Headphone
Resistance: 32ΩΩ
Waterproof: Yes
Frequency Response Range: 100 - 20000Hz
With Microphone: Yes
Charging Method: Charging case
Bluetooth version: V5.0
Earphone capacity: 50mAh*2
Charger box capacity: 350mAh