Specification: Item Type: Wireless Lavalier Microphone_x000D_Material: ABS_x000D_Power Supply: Built in 75mAh Battery Features: 1NOISE REDUCTION: Wireless lavalier microphone built in noise reduction and anti interference performance, effectively identifying the original sound. 2SIMPLE OPERATION: No need to wait, wireless microphone can be used after booting up and automatically connecting. 3MINI DESIGN: Small size and comfortable to wear, the wireless lavalier microphone is smaller and lighter than lipstick. 4LONG STANDBY TIME: The wireless mic built in long lasting battery with 75mAh battery for long hours of use without breaking the bank. 5WIDE COMPATIBILITY: The wireless microphone is compatible with a wide range of devices, supporting mobile phones, cameras, laptops and other devices with microphone jacks. PackageList: 2 x Wireless Lavalier Microphone 1 x Receiver