ULTIMATE EARS WONDERBOOM 3 Ultra portable Bluetooth speaker with a surprisingly bigger 360-degree stereo sound that’s crisp, bassy, and ready to go with 14 hours of boom — anywhere you go. WONDERBOOM 3 is your ultimate companion whether you're at the tailgate, a pool party, at home, or even in the shower. Bigger, longer, more sustainable. Bigger 360 sound. 14 hours of boom. Waterproof, dustproof and floatable. Double up for stereo sound. Durable, portable, with range. Made with recycled materials. Product details: Wireless range: Music playback is up to 131 ft (40 m) Maximum sound level: 86 dBC (Standard mode) and 87 dBC (OUTDOOR BOOST mode) Drivers: Two 40 mm active drivers and two 46.1 mm x 65.2 mm passive radiators Drop tested from 5 ft Box contains: WONDERBOOM 3 wireless portable Bluetooth speaker (bungee attached to product), USB cable, documentation (quick start guide)