Teclast T40 ProRAM          8GBROM         128GBOS             Android 11CPU           UNISOC T618SIM           Nano SIM x 2 (SIM2 is exclusive to microSD)Input         USB Type-C,Output      MicroSD card readerWEIGHT    480 gSIZE           248 x 157 x 7.8 mmDISPLAY    10.4 inches (2,000 x 1,200)CAMERA   8MP front / 13MP BackBATTERY   7,000mAh This is a premium tablet that supports the use of sim cards. The dual 4G Lte network allows you to use two sim cards or one sim card plus one memory card. If the 128GB memory is not enough, You can use it with a memory card. The Teclast T40 Pro is a sister model to the popular Teclast T40 Plus. The unique pouch from Teclast is one of a kind as it provides protection. It also gives its carrier a classy appearance and premium feeling. Teclast has always been known for producing great tablets at affordable prices and with the Teclast T40 series, the company has yet again provided a powerful machine that users get value for their money. T40 Pro comes with a 7000mah battery which has last for over 7 hours of constant usage. The OS is Android 11, the CPU is UNISOC T618, the RAM is 8GB, the storage is 128GB, and the display is 10.4 inches with 2,000 x 1,200 resolution. It also has Quad speakers and the sound is really great. It is definitely equipped with all the features to give a great tablet experience.