Iris Ohyama IPX7 22 Hours Continuous Simultaneous Pairing with 20 Bluetooth USB Speaker, Waterproof, Playback, Devices, Waterproof, Compact, 5.0,

【Sound/High Quality】The natural, easy-to-listen, and well-balanced sound recreates an immersive space. Furthermore, the high-quality AAC codec makes it ideal for those who want to immerse themselves in the world of movies and music videos. [Simultaneous pairing of up to 20 speakers] Up to 20 speakers can be connected wirelessly. Enjoy immersive sound with powerful volume. 【Waterproof】With a reliable IPX7 rating, it protects against malfunctions caused by submersion in water. Therefore, it can be washed with water if it gets dirty. [Other Features] Hands-free calling: Equipped with a built-in microphone, it supports hands-free calling. Convenient for making calls while doing housework or working. ■Strap included: Comes with a strap that can be hung in various places. Hang it on your backpack and it's great for hiking and outdoor activities. 【Specifications/Size】■Size: Approx. 20cm (W) x 6cm (D) x 7.7cm (H) ■Product Weight: Approx. 694g ■Audio Output: 20W (10W x 2) ■Battery Capacity: 4000mAh/7.4V ■Continuous Playback Time: Approx. 22 hours ■Bluetooth Standard/Operating Range: 5.0/10m ■Specifications: Waterproof (IPX7)/Stereo/Multiple Simultaneous Pairing ■Accessories: Micro USB cable, Quick Start Guide