The Antigravity Multi-Function Lantern is unlike any lantern you've ever see before It can be compressed to about 1.5" tall then used as a Flashlight too This lantern also works as a Wireless Bluetooth Speaker and Hands-Free Speakerphone Throw one of these bad boys in your saddlebag and you'll have an emergency light source or you can jam some tunes while you hang with your crew It has a built in rechargeable 1800 mAh Lithium-Ion battery that is easily recharged from any USB Charger Music Play Time: about 8 hours (depending on volume) Standby Time: about 100 days Charge Time: about 4 hours Weight: 0.4 lbs. Dimensions: 3.74" x 2.4"