BlitzWolf Mini Bluetooth Speakers Waterproof IP65, 2000mAh 5W Portable Hands Free Music Player with Bluetooth 4.0, 3.5mm Aux, Water-Resistant MP3 Outdoor Speakers Yellow Hands Free & 3.5mm AUX Port -- Answer phone call by pushing hands free button, you can also connect the speaker with any of your devices with audio cable like 3.5mm AUX (Package included), Conect with Bluetooth 4.0. 8 Hours Working Time -- Keep working for up to 8 hours per charge with the Built-in 2000mAh rechargeable lithium battery with 70% volume. IP65 Water-Resistant and Shockproof-- This bluetooth speaker is not afraid of getting wet, dropped or left in the elements. Its sealed structure gives it an IP65 water-resistant rating and can easily handle an active outdoors lifestyle. 5W Powerful Loud Speakers -- Built with 50mm 5W speakers, playing with HiFi crystal clear sound quality for your party. Product weight:286g; Dimension:0.32ft x 0.30ft x 0.16ft; Charging Time: 3~4 hours; Working Time: 8~10 hours; Transmission Range:  10m/33 ft Lifetime Quality Care -- BlitzWolf awards 30 days money free back, 18 months seller warranty and lifetime dedicating support to assure your long term enjoyment.