?One-year warranty, 24H Worry-Free Service?LC-dolida sleeping headband headphones come with a year's guarantee and offer 24H worry-free service.Please feel free to contact us if you have any problems!And as electronic gifts,the workout headphones sleep mask with bluetooth headphones suit for earmuffs for sleep and can as mens gifts top gadgets for men cool tech electronic gifts for women who has everything. ?Bluetooth V5.2 Stereo Sound with Thin Speakers?Bluetooth Headband with Latest Bluetooth 5.2 technology provide more stable connection with your phones, tablets, laptops or pc.0.25 inch thin speaker produce High-fidelity stereo sound quality and provide soft and comfortable music environment,the bluetooth sleep headphones wireless music eye mask also allows you to listen to music without wearing additional headphones,whether at home, in a hotel or on the plane, light blockout anywhere, anytime!. ?1-1.5 Hours Quick Charging, 10 Hours Continuous Playing? Built-in powerful battery chip, this Bluetooth sleeping mask only needs to be charged for 1~2H, the talk time/music playback time can reach 10 hours which is enough to support long time exercising like marathon, hiking, climbing. Disassemble and Washable Bluetooth Sleep Headphones is more convenient to keep and clean. ?Carefully Selecting fabrics?For ultimate comfort and function of the bluetooth headband,we carefully choosed the most suitable high quality textile materials:super soft cotton blended soft fabrics.The sport headband headphones will make you feel comfortable after sweating exercise.The cozy headband headphones is the perfect Sleeping Headphones for side sleepers, chose our sleeping bluetooth headphones, fall asleep fast,have a sweet dream. ?3 in 1 Design?Technology changes life,for relaxing our mind and body during the chaotic daily work and life,LC-dolida came out the idea of manufacturing a new kind of 3 in one Wireless Headband Headphones: Sleep Headphones & Bluetooth Sleep Mask & Bluetooth Headband. With Latest Bluetooth Technology,built in bluetooth and speakers,the sleep headband earphones allows you to listen music freely,answer the call handsfreely and protect you from being disturbed by your mess hair and sweat.