factory wholesale 10.1-inch tablet computer s4 square hole android quad-core wifi internet access bluetooth cross-border

brand other model s4 item no. classic model time to market 2019 source category currently available product positioning mobile phone tablet student tablet entertainment tablet laptablet business tablet gift tablet computer operating system android processor other processor processor main frequency 1.6ghz storage type flash drive capacity 16gb screen size 10 inch camera 5 million pixels bluetooth support communication function support telephone network type unicom-3g built-in sensor intellige