JBL GO 4 Blue is a portable Bluetooth speaker designed for everyday carry and outdoor use. It delivers 4.2 W of output power and JBL Pro Sound, providing clear and energetic playback in a compact form factor.

The speaker supports Bluetooth 5.3, A2DP V1.4 and AVRCP V1.6, and is compatible with the JBL Portable app. Its IP67 rating means it is protected against dust and water, making it suitable for beach trips, backyard use, and travel.

The rechargeable battery offers up to 7 hours of playtime, and charging takes about 3 hours via USB-C. With dimensions of 9.4 x 7.8 x 4.2 cm and a weight of just 0.19 kg, it is easy to carry in a bag or backpack. The Blue version adds a clean, modern look to a highly portable speaker.