Perfect for Home Office, Conference Calls, Work Headphones, Running, Gym, Hiking, Cycling, Exercise, CrossFit and Yoga. 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. 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. 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. 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.