The Sony Xperia 1 is a good Android phone with 2.8Ghz Octa-Core processor that allows run games and heavy applications.
With one SIM card slot, the Sony Xperia 1 allows download up to 1600 Mbps for internet browsing, but it also depends on the carrier.
Great connectivity of this device includes Bluetooth 5.0 version A2DP/LE, WiFi 802.11 a/b/g/n/ac + MIMO (2.4Ghz/5Ghz) and NFC to make payments and allows connection to other devices.
Including the battery, the Sony Xperia 1 phone has 178 grams and it's a very thin device, only 8.2 mm.