Solar-powered design keeps you listening all day with sunlight charging. Bluetooth 5.4 for fast, stable 10m connection with less dropouts. 300mAh battery delivers up to 30 hours talk time at default volume. 2.5-hour quick charge plus solar power extends outdoor playtime. 2×40mm drivers and 64Ω impedance create rich, detailed sound. Type-C multi-function port supports charging and wired listening. AUX-IN lets you connect to MP3, PC, and other audio devices.