Key features:*Powerfull,360 sound with enhanced bass*Up to 12hours of playtime on single charge*Bluetooth 5.0*IPX7 water resistant*USB-C charging

.9” x 3.9” x 3.5” (100 x 100 x 89 mm)Weight12.3 oz (351.3 g) Actual size and weight may vary by manufacturing processWi-Fi connectivityDual-band Wi-Fi supports 802.11a/b/g/n/ac (2.4 and 5 GHz) networks. Does not support connecting to ad-hoc (or peer-to-peer) Wi-Fi networks.Amazon SidewalkA shared network that can simplify Echo device setup and can help your device reconnect to your Wi-Fi router when you update your password or network name. Sidewalk uses a small portion of your internet bandwidth to provide these services to you and your neighbors, and is enabled on your device unless you have previously disabled the setting. You can disable Sidewalk at anytime. Learn more here.Bluetooth connectivityAdvanced Audio Distribution Profile (A2DP) support for audio streaming from your mobile device to Echo Dot or from Echo Dot to your Bluetooth speaker. Audio/Video Remote Control Profile (AVRCP) for voice control of connected mobile devices. Hands-free voice control is not supported for Mac OS X devices. Bluetooth speakers requiring PIN codes are not supported.Audio1.6” speaker. 3.5 mm line out for use with external speakers (audio cable not included).

Live loudTake your listening experience to the next level with the JBL Xtreme 4 Bluetooth speaker, featuring amazing sound and easy portability courtesy of the convenient shoulder strap.JBL Pro SoundDual pumping JBL Bass Radiators and two woofers and drivers provides clear sound with deep bass and plenty of detail, delivering truly unique audio immersionUltimate protectionThanks to its waterproof and dustproof rating, this powerful speaker handles almost any environment – from beach picnics to pool partiesKeep the good times goingThe built-in power bank charges your devices while playing; with up to 24 hours of battery life, enjoy the music until the sun goes down

Bluetooth – wirelessly connect up to 3 smartphones or tablets to the speaker and take turns playing powerful stereo sound.Built-in rechargeable li-ion battery supports up to 20 hours of playtime and charges smartphones and tablets via USB.Take crystal clear calls from your speaker with the touch of a button thanks to the noise and echo-cancelling speakerphone.Build your own Ecosystem by connecting multiple JBL connect enabled speakers together to amplify the listening experience.

Brand: JBLAuto-power offBluetoothLightshow12-Hour BatteryWaterproof

The JBL PartyBox Ultimate can cover a massive space—we’re talking two basketball courts—with superior Original JBL Pro Sound. Featuring two drivers and mid range speaker to deliver louder sound. Dual tweeters and a pair of subwoofers means there’s going to be more than enough bass for even the most dedicated fans, while Dolby Atmos* provides immersive 3D spatial effects. This is the kind of thunderous sound you’ll not just hear, but feel.

Bluetooth Wireless TechnologyUp to 100W RMS Output5.25″ Woofer, Two 1.75″ Tweeters1/4″ Mic/Guitar Input

JBL Partybox On the Go EssentialAmazing JBL Pro SoundSynched light showJBL wireless microphone includedAdvanced performance settings to fine-tune your vocalsIPX4 splashproof protectionConvenient shoulder strap to keep the party moving6 hours of playtime

IPX4 Splash ProofWired Mic InputPartyBox App CompatibleMultisource Playback6 Hrs of PlayLightshowSplash proof

Futuristic lightshowPowerful JBL Pro SoundUp to 12 hours of play timeFoldable HandleSplash ProofAI Sound BoostMulti-speaker Connection by Auracast