Feature 1LONG BATTERY LIFE: Built in 220mAh large capacity rechargeable lithium battery that supports both charging and operation, with a range of 15 hours. 2WIRELESS DESIGN: Suitable for various devices and scenarios to meet your needs. Built in chip, wired to wireless. Stay away from the clutter and constraints of various cables, and change the tedious life. 3FOR OUTDOOR USE: The outdoor live recording button link is convenient to wear, making it easy to record premium sound outdoors. 4STABLE SIGNAL: Premium performance wireless microphone, stable signal, unobstructed distance of over 20 meters, unrestricted recording. 5ANTI INTERFERENCE: Equipped with a built in noise reduction chip, the microphone has strong anti interference ability and effectively recognizes the original sound, allowing for clear recording in noisy environments.Item Type: Wireless Lavalier MicrophoneShell Material: PlasticColor: BlackProduct Battery: 3.7v 220mah lithium battery (built in) .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Wireless Lavalier Microphone1 x Receiver1 x Charging Cable1 x Manual