waterproof outdoor portable buletooth speaker

* IP65 water proof Bluetooth/USB/AUX with Karaoke system

* Hand free for mobile phone

* Support TWS party speaker connection (True Wireless Stereo)

* Bluetooth 4.0

* 7W*2 Hi-Fi digital amplifier

* 3” Full range speaker with 3” and 4.25*1.75” dual Bass Radiator system

* Built-in rechargeable Li-ion 18650 3600mAH battery

* Charging time about 3.5 hours

* Playing time about 6 hours (mid volume at BT mode)