3 gadgets on sale that will take your Nintendo Switch to the next level: Just to let you know, if you buy something featured here, Mashable might earn an affiliate commission

3 gadgets on sale that will take your Nintendo Switch to the next level: Just to let you know, if you buy something featured here, Mashable might earn an affiliate commission. Improve your Nintendo Switch with these add-ons.Image: homespot By TEAM COMMERCEMashable Deals2019-03-02 10:00:00 UTC Ever look at your Nintendo Switch and think to yourself “I wonder how I could turn this technological marvel into a devastating avatar of techno-superiority”? If so, we’ve got your back.  Pro tip: If you decide to buy anything featured here, include the code SEMIANNUAL at checkout for an additional 15% off. This Bluetooth adapter connects your Bluetooth headphones to your Switch in portable mode, solving every Switch user's biggest issue with the product. That means you can finally listen to Super Smash Brothers Ultimate at full volume on the subway without getting evil stares.  The battery-free design means the device is powered directly by your Switch, and the Qualcomm chipset provides ultra-low latency transmission for Bluetooth clarity and comfort. Plus, you can let the Switch stand upright or on a flat surface while plugged in. Get it for just $34 with promo code SEMIANNUAL. Image: homespot This battery charging case will double your Switch’s playtime with an uninterrupted 10,000mAh of power via the integrated USB-C PD port. On top of that, there’s a built-in kickstand, a Quickchip chipset to provide steady power flow, and a high-density shell to protect against drops and damage. Normally $60, the Switch Battery Charging Case is just $34 with promo code SEMIANNUAL. Image: geek supply co. You know how the best thing about the Switch is its ability to be played on any screen? This gadget lets you play without any screen at all! The S1 Mini Projector turns that 6-inch screen into an enormous 120-inch multiplayer extravaganza, boosted by the killer tracks from powerful two-watt stereo speakers and a massive 52-watt battery system that allows three hours of uninterrupted gameplay. Normally $312.99, you can get an AAXA S1 Mini Project for just $245.65 with promo code SEMIANNUAL. Image: aaxa technologies