
I saw some negative reviews for this product but took a chance to read the positive ones. Yes, the battery cover is a little tricky. Just click to the left (counterclockwise) and then pry it up with a razor blade and pry it off. This works great with my Bose Sound Dock Series II.

Portable acoustics HUAWEI Sound Joy, 30 W, volcanic black
78 Review

4G LTE modem HUAWEI E3372h-320 White
49 Review

Women'S Bayite Stainless Steel Bands With Frame And Rhinestone Bling, Compatible With Fitbit Blaze For Stylish Replacement Accessory Straps
45 Review

Smart column Apple HomePod mini, gray space
50 Review

KLIM CD Boombox Portable Audio Player with FM Radio, Rechargeable Battery, Bluetooth, MP3, AUX, Neodymium Speakers, and Upgraded CD Laser Lens (2021 Edition)
11 Review

Radio receiver Max MR-322 anthracite
14 Review

Experience Dynamic Audio with Panasonic SC-UX100 CD & USB Wireless Bluetooth 300W Mini Hi-Fi System Shelf Stereo
19 Review

AUNA Connect 150 Black 2.1 Wi-Fi Internet Radio Music Player With MP3 USB Port, AUX & Remote Control - Black
16 Review