d features electronics variable pitch control

ION® Tailgater® Tough Portable Bluetooth® All-Weather Speaker with Lights and Stereo-Link™, Black

ION® Explorer™ XL Portable Bluetooth® All-Weather Speaker with Microphone, Stereo-Link™, and Premium 5-Speaker Sound

TOPTECH Rock-8, 1500W Portable Bluetooth Speaker with Disco Lights & Microphone

Spark-208 5000W Peak Power Fully Amplified Portable 2x8" Bluetooth Speaker

Electrohome Huntley Powered Bookshelf Speakers with Built-in Amplifier, 3" Drivers, Bluetooth 5, RCA/Aux

Coby Karaoke Set True Wireless Party Speaker

Refurbished: JBL Flip 6 Portable Bluetooth Speaker Powerful Sound and Deep Bass IPX7 Waterproof Speaker - Manufacturer Refurbished

Pyle Wireless Sound Bar Speaker System with Ambient Lighting – Waterproof Marine Rated

Altec Lansing Portable Speaker SOUNDROVER PRO 650, 650W Peak Power, Bi-Amplified, LED Lighting, Wireless Mic Included

QFX® Portable Bluetooth® True Wireless Speaker with LEDs, Microphone, and Stand, Black, PBX-8008SM

Altec Lansing LifeJacket 2 Bluetooth Speaker

Aiwa Exos-10 Bluetooth Stereo Speaker With Lcd Display & Carry Strap Included, Ideal For Outdoor & Indoor Adventures

Ultimate Ears WONDERBOOM Play Portable Waterproof Bluetooth Speaker,

Ultimate Ears WONDERBOOM 4 Portable Waterproof Bluetooth Speaker With Big Bass and 360-Degree Sound, Dustproof Floating Speaker With 131ft (40m) Ra...

Aiwa Portable Bluetooth Boombox Speaker IPX7 Waterproof with Multi Color LED Lighting and Digital Display

Refurbished: JBL GO 3 Waterproof Wireless Portable Bluetooth Speaker Manufacturer Refurbished

Refurbished: JBL Clip 5 Ultra-portable Weather Proof Bluetooth Speaker - Manufacturer Refurbished

Skullcandy Kilo Wireless Bluetooth Speaker - IPX7 Waterproof Mini Speaker with 24 Hour Battery and True Wireless Pairing

Klipsch R-41M Reference Bookshelf Speakers (Pair), Black

TOPTECH SUNNY-208 Dual 28'' Woofer Bluetooth Speaker with Disco Lights, Powerful Stereo Sound, 33ft Wireless Range, Ideal for Home/Outdoor Use