A3 4G Android Smart Watch 1.43" GPS Face Unlock IP67 Dual Camera 4GB+128GB

4G network: LTE_FDD: B1/B2/B3/B5/B7/B8/B20, LTE-TDD: B38/39/40/41(100MHz). Image format: JPG, JPEG, BMP. Audio format: MP3/AAC/AAC+/WMA/DRA/AMR-NB. - Storage: 533 MHz LPDDR3, eMCP2+16, 4+64. - Graphics processor: GPU Mali 820 MP1 680MH.