Features:1.Comfortable to wearinvisible bluetooth earbuds use a silicone material is very comfortable to wear and weight is very light and small, Open ear earbuds are suitable for small ears or for people with high requirements for ear comfort.2.Wearing stability: Tiny Smallest Earbuds use a silicone material is comfortable to wear, Smallest Tiny Earbuds can be firmly fixed in the ear, suitable for sports enthusiasts and outdoor activities to wear3.sleep bluetooth buds earbuds can accurately identify and effectively suppress external noise during a call,with clear voice even in a noisy environment,make your call smooth.Type: mini bluetooth earbuds invisible headphonesColor: Beige , Black , WhiteTransmission distance: About 10m/380ft(barrier-free)Play time: About 30 hoursBattery capacity: 400mAhCharging port:USB-Cpackage:1 Pair blue tooth ear buds1 * TYPE-C cable1 * User manual1 * Exquisite packaging box