Portronics POR1979 Harmonics Z7 Bluetooth Wireless in Ear Earphones Upto 40 Hours Playback, 10mm Dynamic Driver, Gaming Mode, High Bass, IPX4 Water and Sweat Resistant, Type C Fast Charging Black About this item Uninterrupted Play Time - Enjoy 40 hours of continuous playback time after 2 hours of full charging. Supports type-C charging. Powerful Bass - Get immersive sound quality with 10 mm dynamic drivers for listening to music, gaming, calls along with rich bass and crisp details. High-Speed Connectivity - Designed with latest Bluetooth 5.3, the wireless neckband allows super-fast pairing and is compatible with Android, iOS devices. Voice-Enabled Earphone Interface - The multifunction ON/OFF button can be used to call upon your device’s voice assistant- google voice assistant, Apple’s Siri and Alexa. Enhanced Gaming And Music Mode - Up your gaming and music experience with the help of optimized audio setting. Water Resistance - Rated IPX4, the neckband is protected against water splashes and sweat during various activities.