Goldhorse Camping LED Light/Lantern & Bluetooth Speaker is a portable handheld built-in Bluetooth Speaker device with adjustable lighting application for Flashlight and Lantern usage. Device's bluetooth solution is Broadcom V3.0 + EDR; with a range of 10 meters. Frequency Response 100Hz-18KHz. Powered by Built-in Li-ion Battery 3.7V 1800mAh; DC power input USB 5V500mAh; Battery Working Time: 8 hours. LED power: 2.9-3.2 V
