The Belkin SOUNDFORM Mini Wireless On-Ear Headphones for Kids is a 3.5 mm Bluetooth 5.0 headphone designed to work with the most popular distance learning applications. It features up to 30-hour continuous audio playback time from a battery at 100% charge at 50% volume, and it has a built-in microphone for video and phone calls. It can be used either through a wired or wireless connection through Bluetooth within a 30-ft connection range.