Bluetooth Speaker with 15-Hour Playtime, TWS, Dual-Driver Portable Wireless Speaker with Built-in Mic, NFC, Deep Bass, LED Backlighting for Outdoor Indoor. Intuitive Touch Panel with Gesture Control - Fully integrated touch panel with unique slide-to-control volume mechanism. High-fidelity Sound - 28 core high-fidelity large subwoofer horn capable of producing louder output up to 40W. 3D Digital Sound & DSP Technology - 3D digital sound integrated with DSP technology for pitch-perfect output in any setting of your living environment. Bluetooth 4.2 - Equipped Bluetooth 4.2 for optimal connection with all your device. True Wireless Stereo (TWS) - Compatible with True Wireless Stereo (TWS). Supports NFC connecting.