Features: 16.1in HD Large Screen: The unlocked phone adopts 6.1in IPS ultra HD screen, which not only brings a wider visual experience, but also has extraordinary vivid colors and amazing clarity, allowing you to explore every detail and maximize your visual experience. 24000mAh Large Battery: The smartphones are equipped with an above average 4000mAh battery, which lasts longer than you expect, with 6?10 hours of talking, 8?15 hours of listening to music, 3?5 hours of playing games, etc. Smart and thoughtful AI battery management can reduce excessive cache to save more power, thus extending standby time. 3For Android 11 System: Dual SIM unlocked phone i13pro max is equipped with the latest for Android 11 system, the architecture runs multiple apps with enough fluidity and responsiveness to meet your productivity and entertainment needs. 4High Pixels: 16MP rear camera and 8MP front camera, you can further edit your photos with filters, emoticons or other techniques, and face unlocking your phone takes just one second. 3 in 1 navigation system, GPS, GLONASS, Beidou navigation, positioning is faster. 5Network Frequency Band Support: GSM 850, 900, 1800, 1900MHz, 3G: WCDMA 850, 1900, 2100MHz, 4G: B1, B2, B4, B5, B7, B8, B20, B28A, B28B, B40, dual card dual standby, three card slots (two nano sim cards and one small memory card can be installed at the same time), the small memory card maximum supports 128G. Package included: 1 x Cell Phone 1 x Cell Phone Case 1 x Cell Phone Film 1 x Adapter 1 x Data Cable 1 x Headphone 1 x Card Pin 1 x Manual