Olatec U80 Bluetooth 4.0 Smart Wrist Wrap Watch for Smartphones iOS Android Apple iPhone 5/5c/5s/6/6 Puls Android Samsung S3/s4/s5 Note 2/Note 3 Note 4 HTC Sony Android Smartphones (Ivory) Multifunction: Dial, short message, phone book, call history, BT notification, BT music, Long-distance capture, pedometer, drink, rest, sleep monitor, anti-theft, power save mode etc. Updated version than U8, multifunction: Dial, short message, phone book, call history, BT notification, BT music, Long-distance capture, pedometer, drink, rest, sleep monitor, anti-theft, power save mode etc Silicone material provides a smooth touch feeling NOTE 1: All functions are compatible with andriod smartphones, such as Samsung S3/S4/S5/Note 4/Note 3, HTC, Sony and so on NOTE 2: Most of functions are compatible with iPhone 4/4S/5/5S/6/6 Plus, EXCEPT FOR 'Messages', 'BT notice' and 'BT camera'