Upgrade Bluetooth 5.3, equipped with high-performance Bluetooth 5.3 chip, low-loss data transmission response quickly, stronger anti-interference, say goodbye to delays, lags and other problems AUX / Red and White Lotus / Digital Optical / U disk, to meet the needs of different devices, different audio interfaces Connect the old audio interface of the speaker or amplifier, to solve the speaker/amplifier without Bluetooth, can not use the Bluetooth playback problem Support U disk playback, plug and play without driver Built-in signal gain amplifier, room connection without dead space 10 meters of transmission sound quality without delay, signal stability without lag Bluetooth version: 5.3 Bluetooth transmission distance: 10m Support Bluetooth hands-free calling function Support Bluetooth dual channel Frequency: 2.4GHz Working voltage: 5V Interface: 3.5mm stereo input jack Sleep mode, energy saving Power supply: Use a mini USB cable to charge Working time: up to 5 hours Interface type:
