These noise isolating Earbuds create incredible sound quality. These have the call/answer ability with a touch style approach without the buttons. Tap 2 times on the left and right buds simultaneously to receive and dismiss calls. You can also play and pause music in the same manner. Battery: 50 mAh. Charging Box: 300mAh. Bluetooth Version: 5.0. Wireless Range: 10m. Box Charging Time: 2-3 times for earbuds. Playing time : 3.5 hrs