About this item ?【Unlocked Mini Phone】 BM70 Support Single Nano SIM Card, Support 2G Networks: GSM 900/1800/850/1900(Unlocked GSM works with T-Mobile or Metro PCS, Will not work with CDMA carriers such as AT&T, Sprint & Verizon or Boost) ?【Music Player & Bluetooth Headset】Small and Funny Electronic Gadget as Bluetooth Music Player. Very Clear Voice, and High Bluetooth Connectivity to Your Smartphones and Tablets for MP3 Music Player; It can be hung to be used as a Bluetooth headset ?【Health Care】Only 1/7 lower radiation rate than other regular smartphones, it is the best phone to protect the pregnant women and baby to keeping far away from signal radiation. ?【Note】There is a switch in the right side of the phone, please slide it to unlock before using, or else, it can not be turned on. And please refer to the photo about how to set the nano card. ?【The Newest Upgraded BM70】The Upgraded BM70 comes with the ear hook, it is more comfortable and convenient.If the product has any quality problems. We will provide you with a refund or exchange.