Tips: SD card is built in the watch. Parameter: Touch function:Yes Comfortable silicone strap material Chip:MKT6261D Battery capacity:700mAh Display resolution:240 * 320 Display screen size:2. more→8 inch IPS full view Front camera:30W Running memory:32MB Memory card:8GB Does it support expanding memory:Yes APP support:None Colors:blue, pink, black, white The radiation is lower than that of mobile phones, according to international standards, and has no impact on the human body Applicable age: 3-12 years old Function introduction (call version with contacts, dial, and call records) Camera, photo album, video recording, video playback, music playback, recording, time tool,