Bold & Powerful Sound - Cleer patented 40mm Ironless Driver technology is specially tuned to provide bold and articulate sound with Hi-Res capability, exceptionally low distortion and deep bass for hours of musical bliss Long Battery Life - Up to 100-hour battery life with a 10 minute quick charge giving you 12 hours of playback. 3 hours to a full charge when out of power. No need to carry a charger with you when these Endruo 100's will let you enjoy over 4-days of wireless playback on a single charge. Intuitive Controls Convenient tactile buttons located on the left earcup allow for easy-to-use control for volume, music playback, calls, and your voice assistant. EasySetup Connect your Android phones in a flash with quick pairing. There are 3 Control buttons and a power button on the left ear cup - just hit them for controlling the volume, connecting to voice agents and switching tracks Lightweight and Durable Design - Weighing in at just under 10 ounces (280 g), these h