Measy AU688-U 20 Channels Wireless Guitar System Rechargeable Musical Instrument Transmitter Receiver, AU688-U Black % Media Player Working hours: 8 hours

Working hours: 8 hours

HD recording function

500X metal detection lens: suitable for circuit board maintenance and inspection

- 1 x Laser Engraving Module

speed matching to help extend the WiFi signal

Measy AU688-U 20 Channels Wireless Guitar System Rechargeable Musical Instrument Transmitter Receiver, AU688-U Black % Media Player Working hours: 8 hours1. 100 meters transmission distance (330FT) 2. Built in lithium battery, charge once, battery life 5 6 hours 3. Strong anti interference, can penetrate walls 4. Built in damping shaft, 270 degree rotation to adjust orientation 5. Plug and play, lossless sound quality 6. Working channel: Channel 20 7. Receiving sensitivity: 90dBm 8. Frequency response range: 20 20000Hz 9. Frequency range: U frequency 10. Delay time: less than 0. 5ms 11. Sampling rate: