ZTE Verizon 890L 4G Lte Hotspot Modem Worldwide Use In Over 200 Countries Including GSM Networks (Certified Refurbished) This Certified Refurbished product is factory refurbished, shows limited or no wear, and includes all original accessories plus a 90-day warranty Compatibile With All Major Operating Systems Wi-Fi 802.11 b/g/n Use Time: 4 Hours Standby Time: 48 Hours