True 4g speed a state-of-the-art device to enjoy super-fast internet. Enjoy download speed up to 150 mbps and upload speed up to 50 mbps. 4g features on 2g/3g smartphones access high speed 4g data and download JIO4gvoice app on your 2g/3g smartphones to make hd voice calls, with JIO sim in your JIOfi video and hd voice calls make video and hd voice calls, send sms and set up even (5+1) audio ; (3+1) video conference calls with the JIO4gvoice app. Connect and share recommended to connect up to 10 wi-fi enabled devices (Smartphone, Laptops, Tablets and even Smart TVs). JIOfi allows to connect up to 32 devices. Powerful battery battery (2300mAh) supports up to 6 hours of surf time on the go device sleek and stylish JIOfi to stay connected to your digital world, even on the go. Technical specifications - JIOfi m2s no of devices supported : recommended 10 (Wi-Fi) + 1 (USB tethering) standard compliance : wan: lte (2300/850MHz), ieee 802.11b/g/n 2.4g only power supply : ac: 100-240v; dc: 5v;1a dimensions : 85 mm x 55 mm x 16 mm external interface : micro-sd card, micro-usb port, nano sim battery capacity : 2300 mah sar body value : 1.26 w/kg