Features: brand new and high quality Small size and lightweight.Appearance with delicate do manual work Directivities Uni-directional stereo.Reliable electret condenser technology Gold plug for maximum conductivity and minimum noise. Direct connection to mobile phone, provides faster, easier recording session set-ups. Plug-in power operation need no battery and ensures dependability under virtually all conditions. Specifications: Material:Metal+ABS Type: Mobile version/Computer version Sensitivity: 38 3dB Frequency Response: 100-15,000Hz Plug: L-shap gold-plat mini plug 3.5mm Mobile version use: On the phone, plug in the recording software, you can record (only support US 3.5mm jack mobile phone, do not support receiving calls, karaoke and so on!) Use of computer version: need to have single mike jack machine, such as: voice recorder, computer with 2 jack can video chat, single hole mobile phone, 2 and 1 single hole computer and other devices are not supported) Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x 3.5mm Jack Microphone