JBL Go 4 Ultra-Portable Bluetooth Speaker RED

Audio Quality and Performance

• Output power: 4.2 W RMS

• Frequency response: 90 Hz – 20 kHz

• Signal-to-noise ratio: 85 dB

• JBL Pro Sound with punchy bass for clear, loud audio despite its small size

Connectivity and Bluetooth

• Bluetooth: 5.3

• Bluetooth Profiles: A2DP V1.4, AVRCP V1.6

• Frequency: 2400 MHz – 2483.5 MHz

• Transmit power: ≤ 9 dBm (EIRP)

• Auracast: pair two Go 4 speakers for stereo or connect multiple compatible JBL speakers for bigger sound

Battery and Charging

• Capacity: 850 mAh / 3.23 Wh Li-Ion

• Playtime: up to 7 hours

• Playtime Boost: adds up to 2 extra hours by optimizing performance

• Charging time: 3 hours (5V/1A)

• Charging: USB-C

Protection and Durability

• Protection: IP67 (waterproof and dustproof)

• Integrated loop for easy carrying

• Recycled materials: post-consumer recycled plastic and fabric

Additional Features

• JBL Portable App: customizable EQ, firmware updates, and product support

• Multi-Point Connection: Yes

Box Contents

• 1x JBL Go 4 Speaker

• 1x USB-C Cable

• 1x Quick Start Guide

• 1x Warranty Card

• 1x Safety Sheet

This response is AI-generated, for reference only.