Realme TechLife Buds RMA2506 Earphones Rich and Deep Sound A 12.4mm dynamic driver delivers clear sound with powerful bass and a 3D surround sound experience. Clear Calls AI Noise Cancellation (ENC) technology to isolate background noise during calls, with a built-in microphone. Long-Lasting Battery Up to 7 hours of continuous use, and up to 36 hours with the charging case. Fast charging via Type-C port. Performance for Watching and Gaming Ultra-low latency mode up to 45ms, and dual connection technology to connect two devices simultaneously. Water and Sweat Resistant IPX4 standard, suitable for exercise and daily use. Seamless Connectivity Operates with Bluetooth 5.4 technology with the Realme Link app for control and settings.