Goal Zero 94017 Rock Out 2 Wireless Rechargeable Speaker Green

DarkBass chamber provides a deep precise sound. Built-in mic. Bluetooth. Recharge the speaker via USB or solar panel. Recharges in 2 hours using USB source and 2-4 hours using Nomad 7 solar panel. Compatible with Goal Zero solar panels with a USB port. Speakers: 2 x 40mm 3W drivers. Frequency response: 100Hz-20kHz. 3.5mm Audio jack. Elastic cord to connect to your pack. Charging and low-battery protection built-in. 30ft Bluetooth range. CE FCC and ROHS certified. 1-Year manufacturer warranty.