True Wireless Earbuds (TWS); Bluetooth 5.0; Hi-Fi Stereo Sound with Deep Bass; Lightweight In-Ear Design; Stereo/Mono Use; Passive Noise Cancellation; Integrated Button for Music & Call; 8mm Dynamic Drivers; Built-in HD Mic; Stereo Calls; 4 Hours Music Playtime; 3.5 Hours Talk-time; 80 Hours Standby Time; 40mAh Li-Polymer Battery (each earbud); 300mAh Digital Display Magnetic Charging Case; 2-3 Charge Cycles; Voice Assistance; Universal Bluetooth Compatibility; 1-Year Warranty.