240 * 240 pixels Bluetooth V3.0 support network 2G GSM
850/900/1800/1904 MHz Compatible with Android System and IOS System（Please note functions is limited for IOS system.For iphone, it just support answer & call, phone book, music play, camera, clock, pedometer, phone anti-lost alert. Still not support SMS, Radio, remote camera control, sleep monitoring, etc.）.
Memory: RAM 128M, ROM 64M; External storage: Support TF card up to 32GB
Battery capacity (mAh): 380 mAh
Charging time: 3 hours
Standby time: 120 hours
Talk time about 6 hrs
Waterproof Bluetooth Smart Watch
Talk, answer calls, dial calls, receive Text, play Music, view Contacts, Phone Book
Bluetooth will connect to 98% of phones, even iPhone.