Features: V8 Plug: V8 plug design, dual channel, external installation, microphone input. Universal Design: Universal for most devices, such as mobile phone , computer, PC, etc.. Function: Can connect your phone to avoid the trouble of wired connection. Housing Material: Made of metal material, durable and not easy to break. Applicable Usage: Suitable for home, office, studio, stage, Karaoke and so on. Specifications: Material: Metal Color: Black Size: About 12.7x10.5x2 cm(L*W*H) Power Supply: USB Charging Package Included: 1 pc*Live Sound Card 2 pcs Audio Cable 1 pc* USB Cable Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement. Note: 1.Due to the difference between different monitors,the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures,,but not the same performance on different bodies as on the model. 2.Compare the detail sizes with yours,please allow 2-4cm differs due to manual measurement for the clothes, thanks All measurement in cm and please note 1cm=0.39inch 1)