Wireless audio streaming and portability are combined in the Bose SoundLink Micro Bluetooth Speaker in white smoke with a black strap. This speaker pairs with devices over Bluetooth 4.2 with helpful voice prompts, enabling you to stream your favorite tunes through its 40mm driver and dual passive radiators. It can also pair with a compatible unit for Party Mode, where all speakers play the same track, or Stereo Mode, where one plays the left channel and the other plays the right channel. IPX7 waterproofing lets you use it by the pool or in the rain and the Bose Connect app enables control from afar via your smartphone. Alternatively, track and volume can be controlled with on-device buttons. When a call comes in, use the SoundLink Micro as a speakerphone, or use it to access Google Assistant or Siri. It's also compatible with Amazon's Echo and Echo Dot. The speaker is equipped with a built-in rechargeable lithium-ion battery that provides up to six hours of playtime. The SoundLink Micro charges via its micro-USB interface. Easy Connectivity The SoundLink Micro has a Bluetooth range of up to 33 feet, so you can enjoy your music without wires. Voice prompts talk you through Bluetooth pairing for simplicity. The speaker remembers the eight most recent devices you've used and can connect to two Bluetooth devices at the same time, which allows you to switch between them quickly. Speakerphone A built-in microphone lets you use the SoundLink Micro as a speakerphone. Water Resistance The speaker boasts an IPX7 rating for splash resistance. Portability The SoundLink Micro is compact and light enough at 10 oz for daily travel. This speaker is designed for ease of use and has on-device power and volume buttons, as well as a multi-function button to control music playback or your smartphone's digital assistant. You can recharge the SoundLink Micro through a wall outlet or with most USB power sources.