The JBL Go 4 is an ultra-portable Bluetooth speaker designed to deliver JBL Pro Sound from a compa, travel-friendly enclosure. Its integrated loop, rechargeable battery and IP67 waterproof and dustproof design make it easy to carry for everyday indoor or outdoor listening. Bluetooth 5.3 provides wireless audio connectivity, while Auracast allows compatible multi-speaker setups. The JBL Portable app adds EQ adjustment and produ controls. This listing is specifically for the Squad JBLGO4SQUADAM configuration. Key Features JBL Pro Sound: Compa 4.2 W portable speaker output. Up to 9 Hours with Playtime Boost: Up to 7 hours standard playtime plus up to 2 additional hours. IP67: Waterproof and dustproof construction. Bluetooth 5.3: Wireless audio connectivity for compatible devices. Auracast: Supports stereo pairing with another Go 4 and wireless connection to compatible Auracast-enabled speakers. JBL Portable App: Access EQ presets and customizable sound settings. Technical Specifications Component Specification JBL Model Go 4 JBLGO4SQUADAM EAN Output Power 4.2 W Frequency Response 90 Hz–20 kHz Bluetooth Bluetooth 5.3 Bluetooth Profiles A2DP V1.4, AVRCP V1.6 Playtime Up to 7 Hours Playtime Boost Up to 2 Additional Hours Charging Time 3 Hours Protection IP67 Waterproof and Dustproof Multi-Speaker Auracast Dimensions 9.4 × 7.8 × 4.2 cm Weight 0.19 kg Color Squad Compatibility & Important Information Stereo playback requires two JBL Go 4 speakers. Auracast multi-speaker connection requires compatible Auracast-enabled speakers. Playtime varies with volume level, audio content and operating conditions. Package Contents JBL Go 4 × 1 USB Type-C Cable × 1 Quick Start Guide × 1 Warranty Card and Safety Sheet × 1 Please to review Q: How long can the JBL Go 4 play? A: JBL specifies up to 7 hours of standard playtime, with up to 2 additional hours using Playtime Boost. Q: Is the JBL Go 4 waterproof? A: Yes. It has an IP67 waterproof and dustproof rating. Q: Which Bluetooth version does it use? A: Bluetooth 5.3. Q: Can two Go 4 speakers play in stereo? A: Yes. Two JBL Go 4 speakers can be paired for stereo sound. Q: Does it support Auracast? A: Yes. It can conne wirelessly with compatible Auracast-enabled speakers. Q: Is a charging cable included? A: Yes. JBL lists a USB Type-C cable in the package.