Top Bluetooth 5.0 TechnologyBluetooth 5.0 is equipped with the most cutting-edge A2DP technology, compatible with all Bluetooth devices such as ios, android mobile phones, computers, and tablets, and can provide fast, stable, and zero-delay Bluetooth connections. When the Bluetooth speaker restarts, it will automatically and quickly connect to the last used device. The integrated 3.5mm AUX and TF / USB offers an alternative way to connect a device without bluetooth, FM mode also allows you to enjoy the radio. Loud Stereo Sound & Dual PairingBluetooth speaker equips with 20W of stereo audio drivers speaker and an advanced digital signal processor, which pumps out crisp treble, detailed mids, and specially enhanced bass at any volume. The speaker supports True Wireless Stereo function, Enjoy true cinema surround sound with Dual Pairing, a truly unparalleled listening experience. 36 Hours Playtime& Fast ChargingPortable Speaker Built-in 2200mAh large-capacity rechargeable b