1. The tiny and discrete mini phone takes a nano SIM card.
2. The mini phone can be used as a Bluetooth headset.
3. It can be used as a Bluetooth dialer for your smart phone.
4. Small size phone, easy to put in your pocket.
5. Used as a Bluetooth earphone for making a call, listening to music. It is perfect for travelling or for everyday use when you need your hands to do something else.