Ultra 2 49mm, 7in1 smart watch 2.2" Retina Screen BT Call wireless charging NFC IP68 Waterproof Unisex2023 Popular Series 8 i9 ultra BT call BT MusicSupport Bluetooth version:BT 5.2Battery:200mah, Display mode:Full screen touch 2.2inch-square screen Changing style, 7 extra straps both chain, leather, and rubber straps and ultra casing