NYNE Boost Portable Bluetooth Speakers with Premium Stereo Sound - IP67 Water & Dust Proof, 20 Hours Play-time, 100 ft Range, Built-in Power Bank and Mic, True Wireless Stereo, Loud Wireless Speaker Superior Stereo Sound & Clarity & Great volume-Jazz up your party with the fantastic signature sound of the NYNE Boost Loud Bluetooth speaker. Boost provides premium, dynamic sound at all volume levelsexcellent response and clarity without distortion. IP67 waterproof and dust-tight- NYNE Boost is virtually waterproof (can resist water up to one meter deep for 30 minutes), dustproof, splash proof, shockproof and rainproof making it perfect for taking outdoors. Bluetooth 4.2- Easy to pair, Auto reconnect- Bluetooth Connectivity with 100' Range. Nyne Surround Sound Speaker Is Easy to connect to all Bluetooth enabled devices, including tablets, smartphones, PCs, and laptops. Ultra-long battery life- Rechargeable battery with an impressive 20 hours of play-time, which can keep you entertained for nearly 400 songs or 10 movies! Use the Cellphone Speaker just like a power bank to charge your phone. Built-In mic & 3.5 mm AUX-in - Hands-free calling, Windows 7 systems, TVs, and non-Bluetooth devices can be connected using the AUX-IN jack. Package:1 Quick User Guide,1 Warranty card