Sxhlseller Lavalier Microphone - 1 2.4G

Specification: Item Type: Wireless Lavalier Microphone Material: ABS Microphone size: approx. 55x11mm/2.17x0.43in Receiver size: approx. 65x20mm/2.56x0.79in Frequency range: 2.4G Working time: about 4 hours Built-in lithium polymer battery on receiver side: 60mAh Built-in lithium polymer battery in Transmitter side: 60mAh Transmission delay: 30ms How to use: Read the instructions for use carefully. Packing list: 1 x Microphone Transmitter 1 x Sound Receiver 1 x charging cable. 1 x user manual (English language not guaranteed). Note: Manual measurement, please allow some error.