The Dolphin SP-2120RBT offers the longest battery life among Dolphin Audio’s portable Bluetooth speakers—making it the top choice for extended outdoor parties and events. With a powerful built-in rechargeable battery, this speaker delivers up to 10+ hours of continuous playtime, depending on volume and features used.

🔋 Why the SP-2120RBT Is Built for Long Playtime Outdoors:

• Dual 12” Woofers + Tweeters: Delivers booming bass and crisp highs for large open spaces

• High-Capacity Rechargeable Battery: Up to 10+ hours of playback on a full charge

• Bluetooth + USB/SD/AUX: Play music from any device or storage

• Mic & Guitar Inputs: Great for live music, karaoke, and campfire jam sessions

• Sound-Activated LED Party Lights: Keep the party going into the night

✅ Pro Tip:

For even longer runtime, keep the volume moderate and turn off lighting effects when not needed.

If you need reliable all-day battery life and powerful performance in a single unit, the SP-2120RBT is the ultimate outdoor party companion.

👉 Explore it now at DolphinAudio.com