CPU Processor: ST; Language: English, Czech, Dutch, French, Greek, Italian, Portuguese, Russian, Spanish, Persian , German; Screen Size: 1.44inch; Touch Screen: Capacitive Screen; Screen resolution: 128 x 128; I/O Interface: Micro USB; Format supported: AVI, MP4, MIDI, MP3, AAC, AAC+; Other Features: IOS and Android OS; Compatible with sleep monitoring. Support functions: Touch screen; Hands-free calls; Download phone book, call number, and name display; Pedometer (steps meter, distance, calories); Remote notification (SMS, QQ, WeChat hint); Altimeter; Barometer; Music listening; time and date display; Anti-loss, anti-radiation