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.