UiiSii BN22 Neckband Bluetooth Earphones

Specification:
Brand Name: uiisii
Model Number: BN22
Vocalism Principle: Hybrid technology
Volume Control: Yes
Control Button: No
Style: In-ear
Communication: Wireless
Use: Portable Media Player, Mobile Phone, Aviation, COMPUTER, Dj, Gaming, Sports, Travel, For Internet Bar, HiFi
Headphone
Function: Waterproof, Noise Cancelling, Microphone, Wireless Charging
Waterproof Standard: IPX-5
Active Noise-Cancellation: Yes
Type: In-Ear Headset
Usage: Mp3/cellphone /music
Playing time: 6~10h
Impedance: 32 Ohm
Sensitivity: 102 +3db
Frequency response: 20-20000Hz