Compatible with Samsung Galaxy devices, tablets and PCs supporting S Pen. Offers up to 16 days battery life with 50-minute USB Type C charging. Includes Smart Select for sharing notes between devices. Features Bluetooth connectivity for seamless device switching. Provides location tracking through SmartThings app
Dimensions: 285x125x103mm unfolded, 157x130x46mm folded. Compatible with phones 62-88mm wide, up to 9.5mm thick. Battery capacity: 2450mAh, charging time: 2.5 hours. Operating temperature: 0-40°C, battery life: 15 hours
Dimensions: 276x119.6x103.6mm unfolded, 163x99.5x46.5mm folded. Compatible with phones up to 230g, 6.9-10mm thick. Battery capacity: 2450mAh, charging time: 2.5 hours. No balancing required, uses powerful motors
Pencil must be paired via Bluetooth with EMUI 10.1+ host device. Stylus needs 5-10 minutes charging after long idle periods. Pen tip replacement requires rotating anticlockwise until removal
Flow Pro offers native tracking with Apple DockKit and Deep Track 3.0. Features 360° infinite pan tracking and tracking ring light. Includes built-in selfie stick and tripod for versatile shooting. Provides 3-axis stabilization and 2900mAh battery for all-day use
Gorilla Glass by Corning is the most popular, launched in 2007. Dragontrail Glass by AGC is second most popular, used on budget phones. Ceramic Shield by Corning is exclusive to Apple's iPhone range. Tempered glass is cheapest option, used by many third-party protectors. Sapphire glass is most expensive, used in camera lenses and watches