NILLKIN Traveller Bluetooth Speaker is powered by the advanced Bluetooth V5.0 chip, delivering impressive sound through dual 10W speakers and a built-in diaphragm. Experience immersive audio with TWS interconnect technology for superior surround sound. Designed with IPX7 waterproof protection and a built-in microphone for clear calls, this speaker is perfect for outdoor enthusiasts. Whether hiking, camping, or on the go, the Traveller Bluetooth speaker is your ultimate companion for outdoor adventures.