It's finally Amazon Prime Day, and I've already spotted some sensational deals on all kinds of tech, from Dolby Atmos soundbars to compact clothes steamers. But arguably some of the most impressive offers I've seen so far are on Bose Bluetooth speakers — with some huge savings available on the brand's absolute best. • Browse the full Amazon Prime Day saleI'm a Senior Reviews Writer here at TechRadar, and I've spent years testing audio gear, including a large number of Bose Bluetooth speakers. And so, I've created a list of my 3 favorites — all of which I've tested personally and are on sale for Prime Day.I've included options like the budget-friendly Bose SoundLink Flex Gen 2, which is $99 (was $149) at Amazon US and only £99.95 (was £149.95) at Amazon UK, as well as more premium models like the Bose SoundLink Max for $279 (was $399) at Amazon US and just £267.95 (was £399.95) at Amazon UK. Now then, let's get straight into my list!Today's best Bose Bluetooth speaker deals in the USI use the Bose SoundLink Flex Gen 2 at home, and I love its clear, well-balanced sound, amazing waterproofing, and gorgeous design. It's also easy to customize in the Bose app, which offers EQ settings, a programmable shortcut button, and more.View DealThis is a spectacular deal on Bose's great mid-weight speaker. It offers detailed, well-rounded sound, a highly robust build, and can be purchased in a range of funky colors. Don't miss out on this huge discount on one of my favorites from Bose.View DealIt might be expensive compared to other Bluetooth speakers you can get, but if you want huge, punchy sound, this is the party speaker you should reach for. It will even charge your handheld devices for you thanks to its two-way USB-C port. Bose wraps up excellent sound quality and an enjoyable user experience in an attractive, outdoor-friendly package.View DealToday's best Bose Bluetooth speaker deals in the UKThis compact, portable Bose speaker delivers big sound, excellent waterproofing, and a raft of handy features, including a customizable shortcut button, built-in EQ controls and reliable Bluetooth 5.3 connectivity. You can also pair two for stereo sound or use the dedicated Party Mode to make it louder. View DealBose's middleweight speaker is a favorite of mine, with an attractive look, fun color options, exceptional all-round sound, and a super-durable build. It doesn't seem to be on sale in the UK right now, but it's well-priced for the quality you get in return.View DealBose's brilliant, commanding party speaker is available at a massively cut price, and I couldn't recommend it enough. It has incredible bass output, aptX Adaptive support, and an ultra-rugged build that's ideal for taking on the go. Talk about an all-rounder!View DealMore Prime Day deals in the USAmazon Devices: Fire Sticks & Echo from $18Amazon Haul: viral gadgets, tech & appliances from $1.99Apple: MacBooks, AirPods & AirTags from $29Beauty: 50% off toothbrushes & hair toolsCheap TVs: smart TVs from $69.99Garden: tools, mowers, planters from $24.99Headphones: 50% off Beats, Bose & SamsungLaptops: Apple, HP & Dell from $199Mattresses: Sealy, Serta & more from $186Patio: outdoor furniture, rugs & decor from $19.99Sports: 50% off fitness gear, treadmills & clothingVacuums: Dyson, Shark & Bissell from $34More Prime Day deals in the UKAmazon Prime: get a 30-day free trialAmazon Devices: Fire, Ring & Blink from £13.99Amazon Haul: up to 30% offApple: up to 33% off AirPods & Apple WatchAppliances: up to 45% off Ninja & TefalBeauty: up to 60% off Philips & Oral-BEssentials: household goods from £5Fans: from £20Fashion: up to 50% offGaming: £90 off PlayStation 5Headphones: up to 50% off Beats & SonyLaptops: from £149Tablets: Samsung & Lenovo from £79.99Toys: up to 25% off Lego and ToniesTVs: from £129.99Vacuums: up to 40% off Shark & RoborockWearables: up to 30% off Garmin & Oura