Ultraportable Bluetooth® speaker with that notoriously bigger sound that’s extra-crispy and fully loaded with big bass. Blast it indoors and out. PACKAGE CONTENTSIncludes:ULTIMATE EARS WONDERBOOM 3Bungee (attached to product)USB CableQuick Start Guide ( printed inside the box) 360° SOUNDMaximum sound level: 86 dBC (normal) and 87dBC (outdoor)Drivers: two 40 mm active drivers and two 46.1 mm x 65.2 mm passive radiators. POWERRechargeable lithium-ion battery for up to 14 hours of battery life between micro-USB charges. Actual battery life will vary with use, settings and environmental conditions.Charge time: 2.6 hrs (with BC1.2 Compliant Adapter)