Goui Buyuni -  Power Bank 5200mAh + Bluetooth Speaker + Wall Charger -Black

Buyuni Power Bank 5200mAh + BT Speaker + Wall Charger 2 USB
Bluetooth is a wireless technology standard used for exchanging data between fixed and mobile devices over short distances using short-wavelength radio waves in the industrial, scientific and medical radio bands, and building personal area networks.

Plugs UK, US, EU Compact design, foldable US plug with EU / UK adapters and wide-band input voltage (110V-240V) make it convenient for travel.

Power Bank 5200mAh + Speaker Bluetooth 5W + Wall Charger 2USB
It is just as durable and desirable as the products they serve, if not more so. This 3 in 1 power bank, being able to provide 3.1A direct your device enough to satisfy even the most power-hungry of gadgets, use the UK, US or EU plugs to use as a convenience wall charger or simply connect through Bluetooth and enjoy music anywhere.

Specification
Capacity: 5200mAh
Input: 100-240V~50/60HZ, 1.2A Max
Output: 5V/1.5A each
Total: 2.0A
Battery: 3.7V/5200mAh
Speaker: 4Ω5W