Heading back to school and decided this is the year you hit the ground running with your studies? You'll want to equip yourself with the right kit to set yourself up for success. I'm talking about the little extras that will help you focus and improve your efficiency, whether you're studying in your dorm or out and about. Below, I've rounded up nine gadgets designed for just that — and all of them come in under $50. For studying on the go, a great pair of noise-cancelling headphones will help nix background sounds, and a good power bank will ensure your gadgets don't run out of juice at an annoying time. Staying physically healthy is essential to keep your brain running at its best, so I've included a smart band to help you keep an eye on your sleep and fitness habits. You'll also find remote working peripherals like a Bluetooth mouse and keyboard, which can make a huge difference to your comfort and efficiency levels when working on a laptop. Read on for my sub-$50 study essentials — hit the 'View details' button to find out more about that product. And if you haven't sorted out your big tech purchases yet, we also have a guide to the best laptops for students.Productivity essentials Loop Experience 2 ear plugs Soundcore Q20i Active Noise Cancelling Headphones Logitech POP Mouse Read our full review ProsSatisfying clicksGood customizationsEasy three-way switchingConsNo side buttonsNo wired or 2.4GHz wirelessNo rechargeable battery Amazon Echo Dot (newest Model) JBL Go 5 Bluetooth speaker Read our full review ProsGreat sound for its sizeAttractive edge lightingHighly waterproof and durableConsCan be beaten for battery lifeLimited bass due to compact formCan't change color of the lights Xiaomi Smart Band 10 Read our full review ProsLots of fitness modesHandy lifestyle featuresStill very cheapConsWeak claspPrice increase over predecessorLimited upgrades UGREEN Uno 10000mAH Magnetic Power Bank Soundpeats Clip1 Read our full review ProsFantastic listening testComfortable buildCompetitive valueConsLow max volumeCheap-feeling caseTouch control issues Logitech K380 pebble keys keyboard Read our full review ProsComfortable to type onThin and compactGreat, useful shortcutsArrow keys are greatConsSurprisingly cheapKeys might be too small for someNot rechargeable Bump up the budget...Got a slightly higher budget? These are the back-to-school extras I'd recommend in the $60-$100 price bracket... Samsung Galaxy Fit3 Read our full review ProsOne of the cheapest trackersBright and responsive touchscreenAccurate heart rate readingsConsDoesn't work with iPhoneDeep stats only viewable on appUncomfortable sensor Nothing Ear (a) Read our full review ProsFun, zealous, expansive sound Vastly improved active noise cancellationSmaller, more pocketable case ConsNo wireless charging supportNo flagship sound profile curation ASUS ROG Harpe Ace Mini Read our full review ProsExcellent performanceDiscreet aestheticSmall, comfortable sizeConsSmall size isn’t for everyoneHigh priceScroll wheel is a bit stiff Anker 87W 20000mAh Power Bank Read our full review ProsLarge power outputWell-madeIntegrated USB-C cableConsSome rivals are smallerUnnecessarily powerful for manyDisplay lacks detailed information Instant Pot 4QT Vortex Plus 6-In-1 Mini Air Fryer CMF Headphone Pro Read our full review ProsExcellent hearing tests; unexpected at the levelEmotive, circumaural soundExemplary battery lifeConsANC isn't amazingEnergy slider feels a tad gimmickyNo hard carry case or USB-C charger in the box Sony WH-CH720 Wireless Noise Cancelling Over-Ear Headphones Read our full review ProsGreat sound balanceLots of detail in audioEffective noise cancellationFull of useful featuresConsSound feels constrainedNoise cancellation leaks in low soundsPlastic feels a little cheap