How to use? - First Time Paring Remove the earbuds from the charging case,tear off the anti-static sticker on the earphoneTurn on Bluetooth settings in your phoneSelect "K62" and wait for the connection to successEnjoy! - After Paired Remove the earbuds from the charging case (Earbuds will automatically reconnect to the last paired device)Enjoy! Where and When to use? Listening to music - feel the different music experience brought by heavy bassMake a call - no need to take out your mobile phone to answer or reject a call (indoor use)TikTok - Low latency, no lagExercise - such as jogging, yoga, fitness AMAFACE Wireless earbuds with cute design AMAFACE wireless earbud is the latest advanced true wireless earbuds designed with superior Hi-Fi sound and ultra-long playtime. It’s your perfect workout companion with secure fit. Over 30 hours Battery Life: 5 hr (single earbud) +30 hr (charging case). Support charging for 10 min and listening for 1 hr. CVC7.0 Noise Cancelling earbuds: The noise cancelling earbuds use CVC7.0 technology to reduce noise for ensures your voice is heard clearly on earbuds with microphone other ends. Lightweight earbuds and charging case: Each wireless earbud weighing a mere 3g and charging case is 35g. Included 3 Sizes Ear Chips We care about your wearing experience. 3 pairs of silicone earmuffs are included, L->M->S, even if your earholes are small, you can wear them comfortably. IPX6 Waterproof Earbuds AMAFACE IPX6 waterproof and sweat-proof design will protect the wireless earphones from liquid splashes, such as accidental splashes and a lot of sweat. You can wear them for daily exercises, such as jogging, yoga, hiking, etc. Designed for Small Ears AMAFACE wireless earbuds perfectly fits the contour curve of the ear, provides better wearing stability and comfort. With ergonomic design, especially improved for people with small ears. USB-C Charging Upgrade to a new USB-C interface charging method, faster transmission speed and more convenient use experience. Package included Tha package includes 1*bluetooth earbuds,1*charging case,1*instruction,1*USB ,3*ear chips Universal Bluetooth Compatibility The black earbuds support the connection of devices with Bluetooth version 4.0 or higher. Including iPhone 4,5,6,7,8,SE,X,XR,11,12,13, Samsung Galaxy series mobile phones and other smartphones such as LG, Google, OnePlus, and tablets such as iPad. Laptops such as MacBook.