Playback - Enjoy up to massive 50 hours of music with the powerful battery backup. Signature Sound: Featuring 10mm dual drivers, these earbuds pump out high-quality Signature Sound for enhanced enjoyment. Fast charge - With the fast-charging feature, you can get 150 minutes of uninterrupted playing time after charging the earbuds for only 10 minutes. IP rating - The earbuds' body comes protected with IPX4 rating for resistance to water and perspiration. Pairing - Bluetooth 5.3 supports HSP, HFP, A2DP, and AVRCP for a seamless listening experience. Instant Wireless Pairing (IWP) technology simplifies earbud activation upon case opening. Controls - Smart Touch Control lets you play/pause music, answer calls with a tap, skip tracks with a double tap, and adjust volume by holding your finger in place. Warranty - 1 year limited warranty from the date of purchase