MOCREO Bluetooth Speaker Portable, IPx5 Water-resistant Wireless Portable Bluetooth Speaker - MOSOUND Bar (Black) According to MOCREO customers' feedback, we have improved the multi-functional button (Previous/Next + Volume +/- into Volume +/- only and turn-on announcement ('Do' instead of female voice). Dual Drivers Stereo Speakers: 2 stereo speakers deliver superior bass performance for those low tones that help ensure rich, high-quality sound. IPx5 Waterproof & Splash-proof & dust-resistant Design: water splashed Bluetooth speaker is perfect for Showers, Bathroom, Pool, Boat, Car, Beach, and Indoor & Outdoors Use High Capacity Battery: built-in powerful 2600mAh lithium-ion rechargeable battery allows for 6 hours of wireless play. Free of dead battery worries for outdoor use. Hands-free: built-in mic hands-free speakerphone allows you answer the receiving calls without any disturbing while busy, especially in the kitchen. Totally free of your hands. Bluetooth or No Bluetooth: Bluetooth-enabled, TF card supported and also working as a wired speaker with the provided 3.5mm audio cable. Such a convenience to switch to any mode you want.