What's in the box:

Head-mounted UHF Wireless Microphone Wearable Wireless Micophone MIC Transmitter Receiver Outdoor Microphone with 6.5mm Audio Adapter for Teacher Tour Guides Host (Standard)

Features:
Adopts UHF latest wireless technology, low power consumption, stable signals, strong anti-interference, plug and play.
High-sensitive Microphone picks up sound clearly, preventing the noise. It can receive the signal within 30 meters.
Ergonomic design, comfortable to wear. Made of ABS, moisture-proof, corrosion-resistant, and environmental protection.
It can be widely used on various occasions, such as tour guides, supermarkets, training, company meeting, host, and more.
Built-in rechargeable lithium-polymer battery ensures long working time on one full charge.

Specifications:
Transmission Mode: UHF
Frequency Response: 50Hz-15KHZ
Frequency Range: 625MHz-642.1MHz, 645MHz-662.7MHz
Audio Output: Mixed output
Microphone Battery Capacity: 400mAh polymer battery
Receiver Battery Capacity: 400mAh polymer battery
Color: Black
Package Size: 23.5*21.5*4.5cm/9.25*8.46*1.77in
Package Weight: 226g/7.97oz

Package List:
1 * Receiver
1 * Transmitter Microphone
1 * Charging Cable
1 * 3.5mm to 6.35mm Adapter
1 * 3.5mm Mic/Audio to 3.5mm Adapter
1 * User Manual