Specification: Display: 1.44 inch screen, resolution: 128 * 128, Appearance: scratch-resistant tempered glass, color plating effect Motherboard: RAD8955 Motherboard memory: ROM + RAM / 32Mbit + 32Mbit more→APP system requirements: Android 4.0 system or more, IOS 8.0 or more Standby time: Normal standby time 1-3 days Card specifications: SIM card (Micro SIM card, support mobile Unicom 2G ) Shell material: Food grade plastic ABS + silicone Communication module fast: GSM, GPRS, support band: 850/900/1800/1900 quad-band Positioning system: base station Battery: Environmentally friendly 400 mAh polymer battery Key: key + dial key Watch Language: English App Language:English, , Portuguese, Spanish,