Grab and Go. The JBL Go Essential is an ultra-compact portable Bluetooth speaker. Stream music via Bluetooth for up to 5 hours of JBL Original Pro Sound. Make a splash with its IPX7 waterproof design. Available in 3 vibrant colors, Go Essential is the perfect speaker to take your music everywhere. Technical SpecificationsGeneral specification • Model No.: JBL Go Essential • Transducer: 1 x 40mm/1.57" • Output power: 3.1W RMS • Frequency response: 180Hz – 20kHz • Signal-to-noise ratio: >80dB • Battery type: Li-ion polymer 2.7Wh (equivalent to 3.7V/730mAh) • Battery charge time: 2.5 hours (5V/1A) • Music play time: up to 5 hours (dependent on volume level and audio content) • Cable type: Micro USB charging cable • Cable length: 300mm/11.8" Wireless specification • Bluetooth® version: 4.2 • Bluetooth® profile: A2DP V1.2, AVRCP V1.5 • Bluetooth® transmitter frequency range: 2400MHz – 2483.5MHz • Bluetooth® transmitter power: ≤ 6dBm (EIRP) • Bluetooth® transmitter modulation: GFSK, π/4 DQPSK, 8DPSK Product dimensions • Dimensions (W x H x D): 86.0 x 71.2 x 31.6mm/3.4 x 2.8 x 1.2" • Net Weight: 0.18kg/0.39 lbs Packaging dimensions • Dimensions (W x H x D): 115 x 100 x 33mm/4.5 x 3.9 x 1.3" • Gross Weight: 0.24kg/0.52 lbs JBL by Harman For over 75 years, JBL has engineered the most precise, impressive sound found in big venues around the world. Harman's mission and vision is to make life more connected, entertaining, personalized and productive. The company combines passion and purpose to design smart products systems, software and services to connect people wherever they are.