... 2)Single card standby 3)Bluetooth 2.0 4)Standby time:45 hours AK09 touch screen phone watchHot Spots1.1.4 inch ... group sending, Voice recorder, WAP, Handwritten input, Bluetooth, GPRS download, MMS, tri-band watch phone, memory card expansion, health management, calculator, unit ... TIME About 100-120HoursTALKING TIME About 2-3Hours World Smallest Phone Watch With Bluetooth Mp3