The item is an ear hanging wireless earpiece, made of ABS material. You can enjoy a better when running, cycling, or doing other sports. And you can totally free up both of your hands to do whatever you want such as sports, work or driving car. Features -Color: Black. -Material: PC. -Size: About 11.50X6.50X2.10cm/4.52X2.55X0.83inch. - Standby for 7.5 days, battery life and talk for 8-10 hours. - 4 times noise reduction microphone technology eliminates background noise and clear sound quality. - Hands-free call headset with microphone supports and . - Adjustable volume and answer/hang up calls. - It can connect most electronic products. Best gift choice to your friends. Specification: Wireless version: .1+EDR Wireless frequency: 2.4GHZ Support : AVRCP V1.6.A2DP V1.3.HFP V1.7 Simultaneous and BR/EDR Transmission distance: 10 meters Battery capacity: 60mAh Charging voltage/current: 5V/1A Play/talk time: About 6 hours Charging time: About 1 . Standby time: 192 hours Speaker impedance: 10MM 32 Microphone sensitivity: -42DB Working temperature: -10-50 degree centigrade Charging compartment parameters Input voltage/current: 5V/1A Battery capacity: 500mAh Package list: 1 x earphone 1 x charging compartment 2 x ear cap 1 x manual 1 x data cable