Mrice Tire-Shaped Portable Wireless Bluetooth Water Resistant Shower Speaker with 3W Strong Bass Driver Build in Microphone for Handfree Phone Call Impressive Design: Unique tire appearance with steel bracket to hang or stand at table for portable usage Smart Connection: Bluetooth connection for your iPhone,iPad,Smartphone range up to 33 feet.Built-in microphone makes it a hands free speaker phone. Control button is on one side of the wheel with mark "+/-", controlling the volume setting, power, pairing etc. Splash-proof and Shower-proof:Rubber case and interface design ensure waterproof(IPX4), shockproof, scratch-resistant,can be used under harsh ourdoor environment Excellent Sound:a 3W audio driver with strong bass.700mAh capacity battery, supports up to 6 hours playing time(under 50% of the volume)