In this price very good performance and cheap smart watch connect with smart phone via bluetooth this smart watch support pedometer and many more in this bluetooth smart watch , bingo u8 smart watch connect with any type of smart phone , Apple iphone, Htc, Blackberry and Android smart phones .
Good battery backup.
3 Days on standby mode.
unlimited use 3 hours .
Touchscreen.
Overall u8 Smart watch very good in this price but did, nt support sim card.