The 5.5-inch display makes the COLOR S5.5 shine brilliantly. You can enjoy the best image quality on the IPS display even under direct sunlight. Say goodbye to waiting! Say hello to fast 4G LTE! Browsing instant news, downloading information and listening to online music streams... Besides, you can use two phone numbers on 1 phone. 64-bit Quad-core MT6735 CPU and ARM Mali-T720 graphics processor improves your gaming experience! The performance is improved by 50% and the energy efficiency improved by 150%, compared to common Mali-400. Faster than you ever imagined. Use the Color S5.5 to remember the best moments in your life. High definition, dynamic videos allow you to look back at every step with the Color S5.5. Li-polymer battery for ultimate safety and durability. Large capacity, energy-saving chip and power management IC. The power-saving capability is improved by 35% compared to common batteries. Longer operating hours for continuous work, fun and games. Unibody design, delicate and outstanding. The battery case and buttons adopt the same color. Slightly curved shimmer body delivers a great in-hand feel. Sure to make you stand out! Android 5.1 OS with Z-UI runs smoothly on 1GB RAM, which brings a simple user interface experience and strengthens the notification center management. Meanwhile, it has a power-saving mode. It delivers an outstanding experience!