JBL Go 4: Ultra-Portable, Waterproof, and Dustproof Bluetooth Speaker, 7-Hour Built-in Battery, Made in Part with Recycled Materials

• Ultra-portable JBL Pro Sound with punchier bass: Don't let its little size fool you. The JBL Go 4 packs a serious musical punch. Your friends won't believe how much great JBL Pro Sound comes out of such a small speaker.
• Up to 7 hours of playtime plus 2 hours with Playtime Boost: Don't sweat the small stuff like charging your battery. JBL Go 4 gives you up to 7 hours of playtime on a single charge. Tap Playtime Boost to add up to 2 more hours to your battery life.
• Waterproof and dustproof: The JBL Go 4's IP67 waterproof and dustproof rating ensures this portable speaker can handle almost any environment, from a poolside party to a seaside picnic.
• Multi-speaker connection by Auracast: Want an even bigger JBL Pro Sound? Pair two Go4s for stereo sound, or wirelessly connect multiple JBL Auracast-enabled speakers using Auracast for an even bigger sound.
• Made in part with recycled materials: The JBL Go 4 incorporates post-consumer recycled plastic and fabric for the speaker grille. It's also packaged in FSC-certified paper printed with soy ink.

General Specifications:

• Output power (W): 4.2

Audio Specifications:

• Dynamic frequency response range (Hz): 90 Hz – 20 kHz

Dimensions:

• Dimensions (cm): 9.4 x 7.8 x 4.2
• Dimensions (in); 3.7 x 3.0 x 1.7
• Weight (kgs): 0.19
• Weight (lbs): 0.69