K7 Bone Conduction bluetooth Headphones Wireless Earphone with 16GB MP3 Music Player IPX8 Waterproof Earbuds Fitness Sport Headset

Precise details:Features:-Bone conduction technology:Bone conduction can save many steps of sound wave transmission and achieve clear sound reproduction in a noisy environment.-Danger awareness:Another advantage of bone conduction headphones is reflected in outdoor activities. When you use bone conduction headphones to listen to music, you can also hear the sound of the surrounding environment.-Wireless 5.0:The latest Wireless 5.0 chip connection is stronger and faster. Really wireless, keep you away from cable clutter. Supports various Wireless  compatible devices, including smart watches, tablets, iOS or for Android devices.-Healthy:Because bone conduction earphones do not need to put earplugs in the ears, the inside of the ear canal can be kept cleaning and hygienic.Specifications:Waterproof rating:IPX55Support audio formats:MP3, WMA, WAV, FLACTransmission range:10 metersMark sensitivity:-37dBSpeaker impedance:32 ΩSpeaker power:0.6~0.8W X2Charging voltage/power:5V / 1ACharging time:2 hoursPlaying time:6-8 hoursProduct size:150*110 *45mmType:wireless version alone,16G Memory(optional)Package Included:1 * Earphone1 * Product manual1 * Data cable