Dime True Wireless Earbuds, Dark Blue/Green. Product type: Headset. Connectivity technology: Wireless, Bluetooth. Recommended usage: Calls/Music. Headphone frequency: 20 - 20000 Hz. Weight: 32 g. Product colour: Blue, Green. The ingenious Dime case is designed to be super compact and easy to carry in any pocket or clipped to a keychain with the attached lanyard. Dime delivers 3.5 hours of listening time in the earbud and 2 full charges in the case, totaling 12 hours of battery life. Control volume, tracks, and calls from a single button on each earbud. Use either earbud separately to take calls or listen to music or media. Dime is designed to be water and sweat resistant with an IPX4 rating. Other features include Bluetooth 5.0, a built-in microphone, and 6 mm drivers. Includes 3 sizes of silicone eartips and a Micro-USB charging cable.