Bluetooth Speakers, BlitzWolf 1800mah Stereo Wireless Pocket Player Loudspeaker with Aux Port for MP3 Music, PSP Game, Hands Free Call (Grey) [Dual Speaker Stereo] With dual 18 core 45mm loud speakers, deliver a wide range of high bass with real stereo and vivid sounds. [10-12 Hours Playing] Powerful 1800mAh lithium-ion battery built-in, offer 10-12h continuous play per charge. [Aux-in Port] With 3.5mm aux-in port, you can plug with aux cable and play with more devices with no bluetooth, such as computer, radio, etc. [Solidate Metal Housing] Aluminum alloy case, strong and compact, splash-proof, shock-proof, small enough to put into your pocket, best for outdoor activities. [Lifetime Quality Care] BlitzWolf awards 30 days money free back, 18 months warranty and lifetime dedicating consultancy to assure your long term enjoyment.