[Secure Fit& Mini Design] Extremely light weight and mini in-ear design with two pairs of ear tips to ensure your headphones stay comfortably firm in place and improve the experience on sports.
[LONGER BATTERY LIFE] It is up to 3-4 hours playing time when headphones fully charged. Else the portable charging case could recharge the earbuds 4 additional times. The total play time could be up to 15 hours. You are fully covered by our 1 YEAR WARRANTY and 30 DAYS RETURN GUARANTEE, all you need to do is contact us directly at our customer support.