Specification Brand LEMFO Model LEM10 Pro CPU MT6739 OS Android 7.1.1 Bluetooth Version BT 4.0 Memory 4+64G Network GSM: B2+B3+B5+B8 WCDMA: B1+B2+B5+B8 TD-SCDMA: B34/39 LTE_FDD: B1/B2/B3/B5/B7/B8/B12/B17/B20 LTE-TDD: B38+B39+B40+B41(100MHz) APP Name WiiWatch 2 APP Language English, C..