- These Fresh N Rebel headphones have a volume limit of 85 dB to help protect your little one's ears  - Plug into a 3.5 mm jack or connect via Bluetooth to suit your kiddo's liking - Get up to 48 hours of battery life on a single charge - perfect for a long road trip - With fun LED light effects it turns every note into a mini show for your little rockstars - Its faux leather cushions are super soft, keeping them comfy for hours of listening