Get the most out of your wireless earbuds with the All-In-One Duo Wireless Speaker/Earbuds from Acoustic Research. This unique design offers the combination of wireless earbuds and clip-on speaker with True Wireless Stereo, plus its own charging case. Featuring the latest Bluetooth® 5.1 technology, our earbuds give you a stronger connection, longer play time, and superior audio quality. The charging case with included USB-C charging cable protects your earbuds and provides 3 full recharges – up to 20 hours of playtime for the earbuds and 4 hours with the speaker. Additionally you can use the earbuds and the speaker independently at the same time from separate Bluetooth® sources. Easily enjoy music anytime, anywhere with the latest, greatest technology. Features Unique all-in-one design: clip-on speaker combined with True Wireless Stereo earbuds and charging case Speaker and earbuds can work independently at the same time from two different Bluetooth® sources Fully recharge earbuds up to 3 times with the built-in lithium battery on a single case charge 20 hour playtime on earbuds, with charging case 4 hour playtime for speaker Handy integrated travel clip securely connects to backpack, belt loop, or bag