Walker Suppressor Bluetooth Ear Buds - Black - Features: Bluetooth 5.3 + BLE to allow music or mobile calls streaming Touch surface controls and auto shut off Hi Performance SAC (Sound Activated Compression) 2X Microphones per earbud for directional sound Balance Armature speakers for enhanced audio output 4 Frequency Modes IP54 Water and Dust Resistance Battery Status Indicator on case Wireless charging case or via USB-C cable Rechargeable Lithium Batteries 6 hours run time per charge 15 hours of recharge via case