Product Function Description: 2. There are a total of 5 levels for adjusting the volume of the receiver, which are displayed using icons. Switching the volume display is clear 3. The product adopts magnetic charging, and the display screen has charging animation display 4. The product's startup screen displays information such as signal, volume, channel, battery level, etc 5. The product testing distance reaches 100 meters in an open environment. Features: 1. 2.4GHz signal transmission, stable sound quality 2. Unidirectional communication: Only one spokesperson is allowed to speak 3. One click receiving channel synchronization function 4. One click receiver to turn off power 5. One click mute, convenient and fast 6. Outdoor communication distance of 100 meters 8. Built in rechargeable lithium battery with long battery life 9. Magnetic charging. 10. IPS screen displays clearer and richer information. 11. Pocket size, lightweight, easy to use Specifications: transmitter Frequency range 2400-2480MHz Channel 9999 Output power 10mW The power supply is equipped with a 1000mAh lithium battery Working time is about 12 hours Working distance of 100 meters (outdoors) Size 94 * 49 * 13mm Weight 50g The package includes: 1 transmitter 1 microphone 1 x charging wire 1 x hanging rope 1 x English manual