The JBL Charge 4 portable Bluetooth speaker delivers powerful, full-spectrum sound with deep bass, thanks to its proprietary driver and dual bass radiators. With a 7500mAh rechargeable Li-ion battery, enjoy up to 20 hours of playtime, and conveniently charge your devices via USB. Its rugged, IPX7 waterproof design ensures durability, while JBL Connect lets you wirelessly link over 100 speakers for an enhanced audio experience. Key specs include 30W output power, a frequency response of 60Hz to 20kHz, and a signal-to-noise ratio of over 80dB. The Bluetooth version is 4.2, with profiles A2DP V1.3 and AVRCP V1.6. Dimensions are 22.1 x 9.4 x 9.4 cm (8.7 x 3.7 x 3.7 in), and it weighs 0.96 kg (2.12 lbs). Charging time is 4 hours, with a maximum playtime of 20 hours. It features IPX7 waterproofing, a built-in power bank, and JBL Connect . The package includes the JBL Charge 4 speaker, a Type C USB cable, a quick-start guide, a safety sheet, and a warranty card.