JBL Signature Sound 5 Hours of Playtime under optimum audio settings Wireless Bluetooth Streaming , Frequency response 180Hz – 20kHz Long Press Play Button to Activate Google Assistant or Siri Noise-cancelling Speakerphone Audio Cable Input What’s in the box: 1 x JBL GO, 1 x Micro USB cable for charging, 1 x Safety Sheet, 1 x Quick Start Guide, 1 x Warranty Card 1 year manufacturer’s warranty. Dial toll-free number: 1800 1020 525 or write to India_CSupport@harman.com