Kayla Solino/ZDNET Follow ZDNET: Add us as a preferred source on Google. Prime Day is about two weeks away, but you can already find some hidden-gem offers on quality products. My favorite JBL portable Bluetooth speaker is on sale for $70, its best price yet. Also: The best Prime Day deals live now A portable speaker is a must for everyone, in my opinion. They truly are great for amplifying music, podcasts, and more. My favorite pick is JBL's Flip 5 Bluetooth speaker -- it's an oldie, but certainly a goodie. I've had this speaker for several years; it was the perfect investment before entering college. It's lightweight, IPX7 waterproof, and has 12 hours of playtime. It comes in many colors (I have the pink) and usually sells for around $90-$100. Right now, though, you can scoop one up for $70 -- the best price yet according to Camel Camel Camel and one of the best prices I've seen in my time as deals and shopping editor these last two years. Also: I'm beating the heat and taking these 5 gadgets to the pool this summer Keep in mind that this speaker is a few years old, and there is a newer Flip 6 and Flip 7 on the market. So if you're looking for a similar pick that's newer or more advanced, this may not be the buy for you. Some alternative options that are more current are Sony's Ult Field 1 and Ult Field 3 speakers, which are both ZDNET-tested picks. The JBL Flip 5 in black. Christina Darby/ZDNET ZDNET expert Nina Raemont loves the Ult Field 1 for its portable size and clear sound. Redditors said that the JBL Flip 5 is a pretty decent speaker for the price and size. Some users said the midrange is better than the newer Fiip 6, while others said it's a "good little portable speaker." I fully agree here. If you're looking for several years of use and excellent sound under $100, you can't go wrong with the JBL Flip 5 ahead of Prime Day. Don't miss out. How I rated this deal Since this is a 30% off deal, I rated it as a 4/5 editor's deal rating, according to ZDNET's deal rating system. According to the deal tracking system Camel Camel Camel, this is the cheapest price the JBL Flip 5 has sold for. So at $70, it's a legitimately good deal and is $20 off. Amazon also denotes that it's selling fast, so it could be gone soon, and it's no longer in stock on JBL's website in any color besides black. When will this deal expire? Deals are subject to sell-out or expire at any time, though ZDNET remains committed to finding, sharing, and updating the best product deals for you to score the best savings. Our team of experts regularly checks in on the deals we share to ensure they are still live and obtainable. We're sorry if you've missed out on this deal, but don't fret -- we're constantly finding new chances to save and sharing them with you at ZDNET.com. Show more How do we rate deals at ZDNET? We aim to deliver the most accurate advice to help you shop smarter. ZDNET offers 33 years of experience, 30 hands-on product reviewers, and 10,000 square feet of lab space to ensure we bring you the best of tech. In 2025, we refined our approach to deals, developing a measurable system for sharing savings with readers like you. Our editor's deal rating badges are affixed to most of our deal content, making it easy to interpret our expertise to help you make the best purchase decision. At the core of this approach is a percentage-off-based system to classify savings offered on top-tech products, combined with a sliding-scale system based on our team members' expertise and several factors like frequency, brand or product recognition, and more. The result? Hand-crafted deals chosen specifically for ZDNET readers like you, fully backed by our experts. Also: How we rate deals at ZDNET in 2025 Show more Our top Prime Day deals