- 20 W RMS Sound: Dive into the sound that enraptures your attention with the 20 W RMS output of the boAt Stone Spinx Pro Bluetooth Speaker. The powerful boAt Signature Sound is sure to lend a captivating listening experience with its balanced audio and bass. - Attractive RGB Lights: Host parties filled with enthralling beats and head-turning RGB LEDs to set the vibe. Tune and tap your feet to the ultimate audio-visual entertainment. - Up to 8 hrs Playtime: Relax to the sound of your playlist for up to 8 hours without having to juice up this speaker. Escape reality and enter the audio realm break-free! - TWS Feature: Your house parties will be memorable with thumping music when you use the TWS functionality, where you can pair two Spinx Pro speakers wirelessly and have endless fun. - Inbuilt Microphone: Using the speaker's built-in microphone, you can attend calls hands-free. Enjoy crystal-clear audio as you catch up with your buddies or finish work calls without hassles.