Lenovo ThinkPad E14 Gen 4 Laptop 35.6 cm (14") AMD Ryzen™ 7 5825U 16 GB DDR4 SDRAM 512 GB SSD Wi Fi 6 Windows 11 Pro Black Processor family___Intel® Core™ i3 Intel Core i5 10210U Quad Core Intel Core i5 10210U Quad Core Processor Green Watch case material Aluminium Watch case colour Silver Watch case size 44 mm Market positioning Smartwatch Features Altimeter Yes Ambient light sensor Yes E mail Yes Electronic compass Yes SOS alert function Yes Short Message Service (SMS) Yes Quality of sleep Yes Activity tracker Yes Gyroscope Yes Accelerometer Yes Heart rate sensor type Optical Heart rate contact sensors Yes Heart rate monitor Yes Network GLONASS Yes GPS (satellite) Yes 4G bands supported 700 0 ports quantity 1 Keyboard Spill resistant keyboard Yes Keyboard backlit Yes Numeric keypad No Keyboard language English Keyboard layout QWERTY Pointing device ThinkPad UltraNav Software Operating system language English Operating system architecture 64 bit Operating system installed Windows 11 Pro Battery Battery capacity 57 Wh Battery technology Lithium Polymer (LiPo) Power AC adapter input voltage 100 240 V AC adapter frequency 50 60 Hz AC adapter power 65 W Security Password protection type BIOS We use the US Department of Defense's MIL STD 810H standards to create a balance of reliability and durability for every ThinkPad