Volume Control: Yes
Vocalism Principle: Other
Style: In-ear
Signal to noise ratio: 87.2Db
Frequency response: 20-20KHZ
Control Button: Yes
Communication: Wireless
Certification: CE
Active Noise-Cancellation: Yes
Suitable for driving, cycling, and hiking.
Protects eyesight: Black polarized smart lense can filter light and protects your eyesight.
Ultra-light: ABS and PC materials make it lighter and more comfortable to wear.
Strong compatibility: Compatible with Smart 1 Connect 2 function, wirelessly can connect two mobile phones with low power consumption.
Charging: Play continuously for 5 hours, charge only 2 hours