W-KING S20 IPX6 Waterproof Shockproof Bluetooth Speaker Portable NFC Bluetooth 4.0 Speaker for Outdoors/Showe 1. IPX6 designed as a Outdoor Speaker and Shower Speaker – Unique Rugged Square Design with Dustproof & Shockproof functions,suitable for parties, BBQs, and especially for outdoor activities like camping,mountain climbing and picnics. 2. Latest Bluetooth 4.0 Technology – Connect your device in 3 seconds 3. Daylong Playtime, Fast Recharge – Enjoy 12 hours of music at 80% volume, up to three times longer than similar-sized portable speakers. Recharge in just 3-4 hours using the included Micro USB cable. 4. Full, High-Def Sound – Enjoy an impressively crystal clear sound quality and robust bass realized through a 3W audio driver and passive subwoofer. 5. The built-in 1500mAh rechargeable battery enables a breakthrough upto 8 hours (on average depending on volume) of playtime so you can jam through a full day and it only takes 3-4 hours for you full charge the speaker.