Wireless Bluetooth Earphones Mini Ultra-thin Invisible Sleep Running Earbuds Small Earphones,Waterproof Bluetooth Tiny Bluetooth Earphones Features: Bluetooth compatible headset adopts Bluetooth compatible chip 5.3, with fast and stable transmission speed and strong -interference ability.Ergonomic design makes it comfortable to wear. It can be used with all Bluetooth-equipped devices.The headphones are so lightweight, you'll forget you're wearing them.Running and exercising are no problem as the earlobe is firmly in place when worn.With design, it can be used even when wet with sweat. Using ABS materials and electronic components, the wireless headset is reliable and durable. Full of a sense of technology, say goodbye to cumbersome pairing, pick up the Internet with seconds of power on, experience the wireless sound. Suitable for your home, office, travel, sports and other. If you like to sleep with earbuds, then these sleep earplugs are the best for you.Sleep on your side without squeezing your ears, The earbuds does not enter the ear design, after wearing the ear canal will not be any stimulation, enjoy a full night of comfortable sleep Any invisible earbuds can be used alone, this smallest earbuds sits discreetly in your ears, perfect for hiding in your ears at work or in class.The thin design that prevent them from slipping off when you move, providing better all-night wear stability and comfort true wireless technology can provide a more stable connection for small earbuds, signal transmission is more stable, and bring convenience to your life keyword:bluetooth headset with microphone wireless headset for work usb headset with microphone computer headset with microphone wireless headset with microphone headset wireless bluetooth headset with mic headset with microphone gaming headset with microphone earphones wireless earphones earphones wired bluetooth earphones earphones wireless earphones for kids for school earphone earphones wired earphones earphones wired wired earphones kids earphones for school earphones for school earphones Product Description: Bluetooth scheme: V5.3 Support protocol: HFP,HSP,A2DP,AVRCP，SPP Operating distance: 10M talk time: About 4.5h Music playing time: About 4.5h standby time: About 50h Battery type: li polymer Headphone battery capacity: 40MAH Battery capacity of charging box: 500MAH Headphone charging time: About 1.5h Charging time of charging box: About 2 hour frequency: 40-20KHZ grade: IPX 5 Feature: The charging box has digital display, which can charge the mobile phone in an emergency. Package includes: 2 x Bluetooth Earphone (L&R) 1 x Charging box 1X USB charging cable 1 x user manual