• JUST FOR SPORT: Comfortably, Dynamic,HiFi.
• RANDOM LENGTH WIRE: You could pull the retractable wire to the length as you like£¬from 0.1 CM to 25 CM
• SUDDEN WIRE Retraction: Bluetooth headphones automatically retract wire. When there is no use, you just need to pull it gently, it will retract quickly.
• AMAZING HI-FI SOUND: Deliver you perfect listening feast with powerful bass and high quality audio while doing your favorite sport or working.
• METALLIC CRAFT: Its surface is made of high-grade and wear-resisting light plastic, drawing lessons from the Apple mobile phone aluminum surface art.

JUST FOR SPORT: Comfortably, Dynamic,HiFi.Globalbox