About this item 80H Ultra-Long Playtime: The Bluetooth neckband headphones has powerful rechargeable 500mAh batteries, providing up to 80H continuous playing or calling on a full charge. The bluetooth neckband takes 1.5 hours to fully charge via the Type-C connector, so you don't need to worry about running out of power during the trip. Upgraded Bluetooth 5.2 Technology: Equipped with the advanced Bluetooth 5.2 chip, the neckband bluetooth headphones provide crystal-clear sound and a low-latency listening experience for you within the expanded range of up to 33ft; around the neck headphones can be compatible with your phones, tablets, and other Bluetooth devices with faster pairing and more stable connection. Magnetic & Auto On/Off Design: The neckband Bluetooth headset comes with an in-built magnetic design that can automatically power on and shut down when detaching and attaching the earbuds correspondingly. You can attach the two earbuds when not using them, which is convenient for the storage. Ideal for Doing Exercise: The bluetooth earbuds with neckband adopts an ergonomic design so that 3 pairs of different-sized ear tips (L/M/S) fit almost every ear shape; the headphones neckband adopts ultra-light silicone material to greatly reduce the pressure on your ears, allowing you to wear them comfortably for a long time. IPX5 Waterproof and Sweatproof: These neckband Bluetooth wireless earbuds are rated IPX5 sweat and water resistant, which are perfect to carry when you go to the parks, shooting ranges, gyms, yards, traveling or doing other outdoor activities.