Feature

1. Exclusive HD drivers deliver crystal clear sound, never miss any music detail.

2. In-canal earbuds 4th generation fit nicely in your ears, you can wear them all day long.

3. Unique ear tips(S/M/L size included) help to keep the earbuds in your ears. Plus the control unit is lighter and smaller, no pulling at workouts.

4. Ultra-low Power of the latest Bluetooth 4.1 doubles playtime to a solid 7 hours.

5. Built-in Mic can be used for clear phone calls, never miss a call when enjoying music you love.

Specifications: 

Color: black, white Bluetooth version: V4.1 Profiles: A2DP, AVRCP, HSP, HFP Drivers: 2*Φ0.56" Impedance: 2*16Ω SPL: 110 dB THD: <0.1% Frequency response: 20 Hz -20KHz Operating distance: up to 32ft (free space) Music/talk time: about 10 hours Standby time: about 180 hours Fully charged time: about 2 hours Cable length: 22.8" Package size: 7.87"×3.94"×1.85" Earbuds weight : 0.56 oz Package weight: 7.37 oz