Woo-wee Louis!Image by Rob Schultz\/MacworldThis week\u2019s roundup includes one of the most expensive accessories we\u2019ve ever seen. But don\u2019t worry! There\u2019s affordable cases, speakers, and more, too. Read on!Louis VuittonImage by Louis VuittonLuxury! The \nTambour Horizon smartwatch starts at $2,450 (!!!!). It runs on the Android Wear operating system, but can connect to your iOS-powered smartphone or tablet via Bluetooth. If this doesn\u2019t seem luxurious enough for you, just remember: There\u2019s a version of this watch that sports diamonds.Need help pairing an Android Wear watch with your iPhone? \nCheck out our handy guide.\u00a0Shoulderpod Image by Shoulderpod The \nS2 Handle Grip for Smartphones ($39.95 MSRP, same price on \nAmazonRemove product link) is built to stabilize your iPhone images, both in portrait and landscape modes. It doubles as a stand for your iPhone,and is compatible with most cases.Adam ElementsImage by Adam Elements\niKlips Wizard ($39 pledge through Indiegogo) is a microSD card reader for your iPhone and iPad, and comes in models storing up to 256GB. The available memory makes it easy to shoot and record 4K video, or store up to 64,000 of your favorite songs. It also serves as an iPhone stand.iHomeImage by iHomeThe \niBT77 ($50 MSRP, same price on \nAmazonRemove product link) is a water resistant rechargeable Bluetooth speaker. It can be paired with another speaker for stereo sound, and has a built-in microphone so you can \u00a0use the system as a speaker phone.OlloclipImage by OlloclipThis maker of iPhone camera lenses has announced the release of the \nFilmer\u2019s Kit ($199 MSRP), which the company says features $300 worth of accessories\u2014including lenses, a mobile video grip, and a carrying case made by Incase. You can pick one up at your local Apple store.KoogeekImage by KoogeekThe \nSmart Plug ($35 MSRP, same price on \nAmazonRemove product link) works with Apple HomeKit\u2014you can use Siri to turn the outlet (and its attached appliances) off and on. You\u2019ll need either an Apple TV or iPad as a home hub to use the device, which also acts as a night light.Vain Sthlm Image by Vain Sthlm Vain Sthlm\u2018s \nCommute headphones ($140 MSRP) are \u201chigh-performance wireless headphones in solid metal housing for your everyday commute.\u201d They muffle outside noise while providing \u201cdeep heavy bass, excellent treble, and a perfectly balanced midrange.\u201dUSBFeverImage by USBFeverThe \nCloth-Clip 3D Stereoscopic Camera Lens ($10 MSRP) helps you create 3D images with your iPhone or iPad, though the makers warn that this should be considered an \u201camateur\u201d lens for such purposes.Native UnionImage by Native UnionNative Union\u2019s \nCLIC Card\u00a0(iPhone 7 and 7 Plus; $50 MSRP, same price on \nAmazonRemove product link) is made from Argentinian leather, crafted to protect your iPhone from drops. It features a pocket for your payment, travel, or access card, so that you can keep it close at hand.Peri AudioImage by Peri AudioThe \nDuo Slim Case (a $49 pledge through Indiegogo) features a \u201c3-watt speaker system, 3.5mm headphone jack, and 80 percent extra battery in a slim iPhone case.\u201dQuell & Company Image by Quell & Company This company\u2019s \nleather sleeve ($85 MSRP, same price on \nAmazonRemove product link) is designed to protect both iPads and MacBooks\u2014not at the same time, of course\u2014and is made from \u201cquality\u201d leather. It features three pockets, so you can store papers and other items along with your tablet.