The Astrum SP150 Bluetooth Speaker delivers 12W RMS output with thumping clear bass and crystal‑clear audio across all frequencies, ensuring immersive sound for music, movies, and calls. With True Wireless Stereo (TWS) technology, you can pair two speakers for a seamless stereo experience. Enjoy up to 5.5 hours of playtime powered by a 1800mAh battery, with just 2 hours charging time via USB‑C. The built‑in microphone supports hands‑free calling, while versatile playback options include Bluetooth, TF card, and AUX input. Designed for adventure, the SP150 features IPX6 waterproofing and a rugged build, making it perfect for poolside parties, beach days, or camping trips. Dynamic RGB ambient lighting enhances the atmosphere, adding excitement to every gathering. Features Bluetooth 5.3 for stable wireless connection 12W RMS powerful sound with deep bass Input options: AUX, TF card (128GB max), USB‑C charging True Wireless Stereo (TWS) pairing Built‑in microphone for hands‑free calls RGB colorful ambient light display IPX6 waterproof rating for outdoor use Up to 5.5 hours playtime per charge Compact and rugged design Technical Specifications Bluetooth Version: V5.3 Supported Profiles: A2DP v1.3, AVRCP v1.6, HFP v1.7, HID v1.1, AVCTP v1.4, AVDTP v1.3, SPP v1.2 Output Power: 12W Speaker Driver: 57mm × 1 Transmission Distance: 10m (open area) Battery Capacity: 1800mAh Power Supply: Type‑C, 5V 1A Charging Time: 2 hours Playtime: 5.5 hours (at 50% volume) Dimensions: 98 × 68 × 110.4 mm Weight: 410g Warranty: 24 Months What’s in the Box 1 × Wireless Bluetooth Speaker 1 × User Manual