Bose SoundLink Revolve Plus II Bluetooth Speaker

Bluetooth version: 4.1 Bluetooth range: Up to 30 ft (9 m) Power input: Micro-B USB port 3.5 mm auxiliary input Microphone for voice pick-up built into the top control pad Rechargeable lithium-ion battery Battery life: Up to 17 hours on average listening volume Charging time: Up to 4 hours when using the provided cable and USB power supply Using an alternate USB power source or charging while playing music may increase charging time Button controls: Power on/off, Bluetooth, Input mode, volume, multi-function Compatible App: Bose Connect app Durable, water- and dust-resistant design: IP55 rating Pair two speakers to achieve left/right Stereo Pairing or Party Mode (multi-unit simultaneous playback) SimpleSync connectivity to sync music with a Bose smart speaker or soundbar