40Hrs Cycle Playtime & One Step PairingThe Two wireless bluetooth earbuds playtime is 5-6hrs on a single charge. 650mah rechargeable charging case can charge the earbuds for 6-7 times, so you can get total 40hrs cycle playtime.Don't need to worry about the battery life when you go out for fun. Two bluetooth wireless headphones can pair with each other automatically when you take them out of the charging case, then open the bluetooth of your device, search and pair the model. UTIZARPremium Bass Sound & Multi ModeAdopted 13mm Graphene horn drivers, with the unique sound cavity design of the bluetooth earphone, give you the perfect and loud stereo sound, and you can feel the more realistic music. Crystal clarity and Deep resonant bass with delicately tuned sound signature deliver immersive sound.You will immerse in your own music world completely. our wireless earbuds support stereo/mono mode, if you want to use one earbud, just take one earbud from the charging case.Secure and Firm Design & LightweightCompletely Ergonomic in-ear design, never worry about falling problem anymore when you wear our wireless headphones for running. Charging Case size is 2*2*2in, 0.08lb.Even if you put the charging case in your pocket to do intense exercises, there will be no burden. Our bluetooth earbuds is IPX7, Through IPX7 Waterproof and Anti-sweat Standards, Adopt Nano Coating, can meet the waterproof need of the daily workout.Smart Power Charging Case & Wide CompatibilityThis wireless bluetooth earbuds is very lightweight and the ergonomic design provides a comfortable fit, reducing the pressure of the ear, so you won't feel uncomfortable even if you wear it long time, also fits firmly in your kid's ear whilst comfortable. Compact size makes it so easy to fit in your pocket,The true wireless earbuds are compatible with all Bluetooth-enabled devices.Bluetooth 5.0 & Touch controlUpgraded from old version, 5.0 bluetooth let the pairing speed much faster, signal is much more stable, distance is much longer, you can enjoy our wirelesss bluetooth headphones smarter. Only one button to answer/end call,reject call,play/pause music,activate voice,play previous/next songs. Get rid of the tie of mobile phones