Bose Soundlink Micro Waterproof Bluetooth Speaker

Battery: Rechargeable lithium-ion battery with up to 6 hours of playtime Charging: Micro-USB port Charging time: Approximately 4 hours with a 1A power source, or 3 hours with a 1.5A source Water resistance: IP67 rating (waterproof and dustproof) Materials: Soft-touch silicone exterior and tear-resistant silicone strap Microphone: Built-in for speakerphone functionality