Welcome to tweettwitrtr.vn Store ,We insist on the lowest price to sell the best quality items！！！Features: Extremely mini microphone, compatible for iPad various smartphones, Plug and play design, quite convenient to use. Features high sensitivity omni-directional sounds output, perfect for audio and video recording. 3.5mm standard connector jack. Suitable for loudspeakers, sound cards, mobile phones and computers Description: Sensitivity: -43±1DB Impedance: ≤ 2.2k Ω Working voltage: 1.5V Frequency range: 100-16khz Plug diameter: 3.5mm Package List: 1 * Mini Microphone Note: 1.Please allow 1-3mm differs due to manual measurement. 2.Due to the different display and different light,the picture may not reflect the actual color of the item. Thanks for your understanding.