1.Waterproof IPX7: our wireless sports headphones are made from high quality waterproof materials, multi-process design headset, high-specification waterproof testing, bluetooth headphones that effectively protect internal components from water, rain and sweat. Ideal for cycling, running, fitness, skiing, trips, , , etc. 2.Wearing Comfortable: the earphone is too compact and light to feel when you wear it. Also, humanized design provide you with comfortable experience. It is also not easy to slide down from the ear . 3.Led display: the charging box is designed with a digital led display to show the charging and discharge information of the battery power supply. This semi-transparent shell design allow you to know the energy consumption of earphones in real time and predict the working time of earphones. Also, touch screen is easy to use. 4.Noise Reduction: hearing protectors adopt noise reduction technology to filter environmental noise. No matter whether you're in the bus, the airport, the mall or any other public environment, the headphone the call and the music be clear. Colour:yellow Material:ABS+PC Package Contents: 1 x earphone 1 x USB charging cable 2pairs x earphone plugs 1 x Chinese and English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.