JVC Sport Heaphones offer a soft secure ear clip design with Bluetooth Wireless technology. The HAEC25WB offer a pivot/slide motion ear hook and S/M/L silicone ear tips to customize your fit. With an IPX2 Sweat proof rating they are ideal for fitness and sport activities. Bluetooth 5.0 allows easy connectivity to Bluetooth enabled devices. With a 6.5 hour battery and quick charge (15 minute charge for 1 hour playback) these will keep you going throughout the day. Use the convienent 3-button remote with microphone to control of volume (+/-), pause/play, and answer calls. Voice assistant compatible with all digital personal assistants. Hassle free listenting with the tangle free cable.