bluetooth speaker battery life

iHome Bluetooth Speaker with Wireless Charger and Night Light – Blue (iPBT50L)

Worryfree Gadgets Wireless Bluetooth Speaker with Two microphones for Kids

Monster DNA MAX Portable Bluetooth Speaker with Qi Wireless Charging (2MNBD1116B9L2 | 50831VRP) Black - Certified Refurbished

iLive "GardenLite" Waterproof Bluetooth Speaker with Removable Stake, ISBW245B

eKids Nightmare Before Christmas Bluetooth Speaker, Portable and Rechargeable Wireless Speaker – Jack Skellington (Di-B76JS)

Altec Lansing HydraBlast 2.0 – New York Giants, Magnetic Wireless Bluetooth Speaker

eKids Disney Frozen Bluetooth Speaker, Portable and Rechargeable Wireless Speaker – Elsa (Di-B76EL)

YAMAHA WS-B1A Portable Bluetooth Speaker (Black)

Pyle 5.25" Portable Wireless Bluetooth Speaker System with IPX4 Waterproof Rating and Wireless Microphone - PNX6WPBK

iHome Wireless Charger with Apple Watch Charger, AirPods Charger, and Bluetooth Speaker – Dark Grey (iPBT70DG)

Emerson EAS-3006-BK Sound Blox - Wireless Magnetic Stackable Bluetooth Speakers, Instant Connect, Multi-Room Audio, USB-C Charging, Built-in Subwoofer

Ultimate Ears MEGABOOM 4 Portable Waterproof Bluetooth Speaker With Powerful 360-Degree Sound and Thundering Bass, Floating Speaker With 20-Hour Ba...

QFX® BT-1960 Retro Car Portable Bluetooth® Speaker with Speakerphone, True Wireless, FM Radio, and LED Party Lights in Black

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

Worryfree Gadgets Wireless Bluetooth Speaker with Carry Handle

Pyle Dual 3” Portable Waterproof Bluetooth Speaker - PNX8BK.5

Adesso Xtream S6 Portable Bluetooth & Aux Sound Bar Speaker - 10W x 2 -Black - 3.5mm - Rechargeable Battery - Volume Control Knob - Wired/Wireless

iHome Wireless Charger with Apple Watch Charger, AirPods Charger, and Bluetooth Speaker – Grey (iPBT70G)

Altec Lansing Mix 2.0 - Waterproof Bluetooth Portable Speaker with Strong Bass for Travel & Outdoor Use

Monster Adventurer Max Boombox Bluetooth Speaker, 100W Stereo Sound, Double Subwoofer, IPX7 Waterproof, Wireless Speakers for Home, Party, Beach

iHome Bluetooth Speaker with Wireless Charger and Night Light – Dark Gray (iPBT50DG)

Coby Spectra True Wireless Bluetooth Speaker

Audiobox® SoundRides TRK-5600BT Retro Ride™ Low-Rider Truck Bluetooth® Speaker with WaveSync™ and Lights in Red