new wireless voice control music sports bluetooth 4.1 hands-earphone 3d hifi bluetooth headphones ear bud

color: black dimension: 12.8 cm * 11.0 cm * 2.8 cm/ 5.04 x 4.33 x 1.10 " standby time: 20 days talking time: 10 hours media playback time: 6 to 8 hours charge time: 1- 2 hours