Today's deals: rechargeable batteries, wireless chargers, air mattresses

To get people excited for Prime Day, Amazon is offering exclusive Prime-member discounts.

For more deals and product chatter, check out our exclusive Facebook group.

Headphone deals

Avantree headphones
AvantreeAmazon

Two models of Avantree headphones are on sale for up to 30 percent off today. The wireless Bluetooth 4.1 headphones hold a 40-hour charge, allow you to connect two phones at the same time, and come with a 3.5mm cable so you can use them wired. You can snag a pair of these today for $49. The Avantree HF026 model—now available for $15—has a longer, 60-inch cord with a built-in microphone perfect for gaming from a distance.

Certified refurbished Kindle

Kindle Paperwhite
Kindle PaperwhiteAmazon

Amazon Prime Members—you can sign up here, if you aren't one already—can get $30 off a refurbished Kindle Paperwhite. The battery lasts for weeks, features a built-in adjustable light for both day and night reading, and has an anti-glare screen so you can read the words no matter how sunny it is. Get one today for $70.

Wireless chargers

RAVPower
RAVPowerAmazon

If you're looking for a new wireless Qi charger, RAVPower has three charging products on sale for 30 percent off. They work with iPhones and Samsung devices and range from $27-$46. One charger doubles as a 10,400mAh power bank that'll charge your phone three or four times.

Portable music gear

Portable music gear
Keyboards, headphones, and amps.Amazon

Save up to 30 percent on portable music gear like the ROLI Seaboard Block, which I wrote about in my favorite products of the year and home studio gear articles. There are also savings on mini amplifiers, headphones, and waterproof speakers. Rock on.

Rechargeable AAA batteries

Eneloop rechargeable AAA batteries
EneloopAmazon

While it's becoming a rarer occurrence, you'll probably find yourself ruffling through drawers in search of batteries for remote controls or other older gadgets. Today only, save 30 percent on 12 rechargeable Eneloop AAA batteries. This is the cheapest these batteries have been on Amazon—now $17. They can be recharged up to 2,100 times.

uKegs and insulated pint containers

GrowlerWerks uKegs and pints
GrowlerWerksAmazon

Save up to 43 percent on GrowlerWerks uKegs and vacuum-insulated pints. The uKeg is a copper-plated growler that holds pressurized beer in its stainless steel, double-wall body. The sale includes two keg sizes: a 64-ounce uKeg and a 128-ounce growler.

Air mattresses

Etekcity air mattresses
EtekcityAmazon

Amazon has up to 71 percent off Etekcity air mattresses and electric mattress pumps. The Twin/Queen-sized mattresses are made of a thick PVC and come with a storage/carrying bag.

With all our product stories, the goal is simple: more information about the stuff you're thinking about buying. We may sometimes get a cut from a purchase, but if something shows up on one of our pages, it’s because we like it. Period.