Bluboo has not officially released its flagship smartphone X550, but it is listed for pre-order with a price $188.08 through gearbest. Pre-sale will end in 19 May 2015.
The X550 features a 5.5 inch IPS HD display with 1280 x 720 pixels of resolution. Connectivity options include 3G, GPS, 4G (FDD-LTE 800/1800/2100/2600MHz bands), WiFi, Bluetooth and GSM. It houses an 8-megapixel rear camera with flashlight, while there is a 2-megapixel front camera for selfies.
The Bluboo X550 is backed by a massive 5300mAh Li-ion battery. It measures 14.8 x 7.8 x 0.95 cm / 5.82 x 3.07 x 0.37 inches and weighs 198 gms.