Invisible Sleep EarbudsSleep Earbud is made of new soft material which can completely plug the ears Any invisible earbuds can be used alone this smallest earbuds sits discreetly in your ears perfect for hiding in your ears at work or sleep.True No SensationThe size and weight of sleep earphones are smaller than a coin and you wont feel their existence even if you sleep on your side while listening to music they are sleep earbuds for side sleepers.Bluetooth 5.3+EDRUses Bluetooth EDR technology which not only achieves more stable audio streaming and lower power consumption but also greatly improves the data transmission rate of Bluetooth technology.Comfortable and LightweightYou dont need to put the earbuds in your ear canaleven if you listen to music for long timeyour ears wont feel pain.they are ultralightweight earbuds and builtin microphoneyou can answer or reject phone calls.Portable DesignTrue wireless earbuds and the charging case are compact and lightweight with a lanyard attached.Its small enough to slip in your pocketor clip on your bag or keys So you never worry about space.