Wireless in-ear headphones with Bluetooth 4.2 interface for comfortable and safe in-ear earphones, soft materials, protect the ears, make your phone and music time more comfortable, ear hook design is perfect for sports Jogging and fitness. Wireless latest bluetooth let you get rid of the annoying cable mess, it adpot TWS technology that provides faster synchronous connection pairing, stable connection and signal transmission -10meters no-obstacle range.You can fully enjoy yourself in music and sports. Different from ordinary headphones, Ledeak wireless earbud with portable 700mAh battery charging box, which can support 7-10 times quick fully charging for wireless earbud without USB Cable. Provides up to 3 hours / 4.5 hours (full volume) of talk time for 1-2 hours of charging, which can be easily charged in a car or computer.