Bluetooth 5.2 - we designed our Wireless In-Ear Headphones on the Bluetooth platform, allowing our Spire True Wireless Earbuds to communicate as Bluetooth low energy devices, providing a stronger signal for better stability and improved battery life | Extended 20 Hour Play Time - our Wireless Earbuds are built to last up to 5 hours of use on a single charge. Includes a Magnetic Charging Case that provides an additional 350 mAh of charging power for a total usage time of up to 20 hours. | Bluetooth Headset with Microphone - our wireless headphones are engineered with custom tuned 6mm Neodymium Drivers to provide hours of listening enjoyment with balanced immersive sound. | Waterproof and Sweatproof - we designed our earbuds to be impervious to Rain and Sweat, so you can focus on your workout, regardless of the forecast | Perfect for Home Office, Conference Calls, Zoom, Microsoft Teams, WebEx, WeChat, WhatsApp, Work Headphones, Running, Gym, Hiking, Cycling, Exercise, CrossFit and Yoga.

Active Noise Cancelling - detects and virtually eliminates background noise such as automobile traffic and airplane engines by up to 30dB to allow you to focus on what's important. Turn the ANC Button off when you need to hear what is happening around you, while still listening to music or watching movies. | Digital Signal Processing - Supports a truly wire-free listening experience, with robust connectivity when making calls and listening to music, an easier pairing experience and longer battery life. | Bluetooth 5.0 - we designed our Wireless Headphones on the Bluetooth 5.0 platform, allowing our Krave Active Noise Cancelling Wireless Headphones to communicate as Bluetooth low energy devices, providing a stronger signal for better stability and improved battery life. | Extended 55-Hour Playtime - our Wireless Headphones are built to last up to 55 hours of use on a single charge (35 hours with the ANC on). Designed to support 1.5x Fast charging via USB Type-C charging port and fast charging battery. | USB Type-C Fast Charging - we engineered our Krave Bluetooth Headphones with USB Type-C fast charging and a specialized battery that charges 50-percent faster. In the rare case that your Wireless Headphones run out of power, a 15-minute quick charge will provide up to 6 hours of use.