Description 1.Non ear plug headphone: Abandon the traditional headphone design,Dual Ear Sensor Non Ear-Plug hanging ear design,Say goodbye to the swelling caused by earplugs. Our wireless headphones use the latest Non-In-Ear technology, it will be painless to wear in long time use. 2.Speaker unit is external: Loudspeaker close to the ear but it is not inside the ear, will not plug block the ear canal. Listening to the surrounding environment during a call or music, Safer on the road or in some scenes and more portable for business, work. 3.Lightweight headphone: 0.35OZ weight, very light, no pressure or pain feeling in long time use. Ear hook designing and ergonomic design, wireless headphone affixed to the ear, suit for all peoples. 4.Comes with two detachable ear tips: Suitable for the left and right ears, the ear tips make the earhook wireless headphones sound more concentrated. Especially in a noisy place, you must wear ear tips to make your music and calls clear. 5.Warm tips: This is not bone conduction earphone. If you are not satisfied with the bluetooth headset, please contact us. We will solve the problem quickly within 24 business hours.