DescriptionThis is a multi-fuctionalreceiver. With 3.5mm stereo output, it can be connected to a variety of electronic devices like computer, mobile, speaker, MP3, car audio system, etc. With sound transmission, it can be used for both music playing and phone calling. The mini and portable collar clip design makes it convenient for you to take it anywhere you want.Feature- Color: White.- Material: Plastic.- Size: Approx. 5.9 x 1.5 x 1.2 cm / 2.3 x 0.6 x 0.5 inch (L x W x H).-version: V4.2- Jack type: 3.5mm- Camera function: support- Caller ID: Support- Voice prompts: support- Bilingual Voice (Chinese English): Support- Camera function: support- Make your traditional speakers support .- Audio receivers can upgrades ordinary headphones into sports headphones, its anti-sweat and small clip design features makes it a good partner for outdoor activities such as jogging, skating, golfing.- Enjoying hands-free calling,GPS and streaming music while you are driving.- Wide Compatibility: Compatible with most smartphones andenable electronics.- With mini size and portable design, the wireless headset is convenient for you to take anywhere you want.- for home or vehicle system.