Headset Feature:Bluetooth version: V5.0 dual modesDistance: 15-20 metersBattery: Rechargeable lithium battery 55mAhFull charge time: 1.5 hoursPlay time: about 3.5 - 5 hours * 4Earplug charging current: 50mAMicrophone sensitivity: -38±2dBFrequency range: 20~2000HzHeadphone weight: 7.5gWaterproof: IPX7Charging box:Battery: Rechargeable lithium battery 650mAh (providing 3-4 times power)Full charge time: 2 hoursInput: 5V 500mAOutput: 5V 100mASize: 58 * 10 * 13mmWeight: 55 grams
- 【SPORTS DESIGN】True wireless stereo earphones bring you wireless cord and Hands released experience. Secure fit comfortable IPX7 waterproof design makes the earphones perfect for sports.
- 【LASTING LONG PLAY/TALK TIME】Premium quality lithium accumulator, portable charging case, both of them allow you enjoy the music on-the-go for 20 hours.
- 【WONDERFUL MUSIC QUALITY】Bluetooth 5.0 technology makes the transmission stably and build-in high-quality noise-canceling mic makes talking and listening simply. You can immerse the stereo during exercising.
- 【AUTO CHARGING】Magnetic Charging case, easy to store earbuds. Put both earbuds back into the charging case, earbuds will power off and charge automatically that you don't need to worry about forgetting charging for them.