Jbl extreme 3

Sound: Four drivers and two JBL Bass Radiators for deep bass and immersive sound
Wireless streaming: Connect up to two smartphones or tablets to the speaker
PartyBoost: Connect multiple JBL PartyBoost-enabled speakers
Waterproof and dustproof: The speaker can withstand rain and is IP67 certified, meaning it can be submerged in up to a meter of water for 30 minutes
Carrying strap: The speaker has a convenient carrying strap with a built-in bottle opener
Built-in powerbank: Power up the speaker with the built-in powerbank
Up to 15 hours of playtime: The built-in rechargeable battery lasts for up to 15 hours of play time and charges in just 2.5 hours
Bluetooth 5.1: Yes
Bluetooth profiles: Advanced Audio