Vodool Bluetooth 4.1 Speakers Portable Wireless, Water/Shock/Dust Proof, Stereo Sound Speaker Chargeable Battery for Outdoor Sports Travel Bicycle Cycling Activities Speaker (Mode 3), 2000 mAh Adopt IP65 rated dustproof and waterproof technology design, with seamless surface treatment, it will be a water resistant, dustproof speaker, perfect for outdoor party, camping, poolside, shower, beach etc. Superior Sound Quality, Enjoy crisp, clear audio with impressive volume powered by 5W drive. Hear the soaring highs and deep lows of all your favorite tracks. Portable and Light Weight Design, you can carry it with you easily at anytime and anywhere, especially when you out for bike riding, beach, camping or indoor for shower. Two connection modes: support AUX Audio line mode and Bluetooth mode. Bluetooth compatibility: conform to Bluetooth version 4.1 ClassII, Support A2DP V1.2, AVRCP V1.4profiles protocols