Android phone with 1Ghz Dual-Core median processor provides good performance when performing some functions of the CAT B15
An advantage of the CAT B15 is the possibility of using two mobile carriers, a Dual-SIM device with two SIM card slots.
Good connectivity of this device includes Bluetooth 3.0 version A2DP, WiFi 802.11 b/g/n (2.4Ghz), but it lacks NFC connection.
Including the battery, the CAT B15 phone has 170 grams and it's not so thin so, it has 15 mm thick.