Descriptions: CPU model:MT6261 Communication system:GSM Frequency band:850MHz/900MHz/1800MHz/1900MHz Quad Band Screen:1.55 inch; IPS HD colored touch screen Resolution:128*128 Camera:80,000 pixels Bat more→tery:400mAh lithium polymer battery Internal memory:32MB Languages:English (default), French, Spanish, German Cover material:Plastic (ABS+PC) Strap material:Dow Corning food grade silicone Watch size:50.4mm*40.7mm*13.8mm Watch weight:41g Color:Black,Blue,Green,Pink Feature: A very Easy-to-operate children's watch,don't need to connect cell phone, all the functions are built-in the watch, very easy to operate for kids. It's a great gift for kids 3-12 years old. Need insert TF card to use music