The Oppo Enco M31 differentiates itself from mainstream neckband headphones through its ultra-lightweight at 22 grams, ergonomically curved neckband and streamlined design. It offers users best-in-class wearing experience through the liquid silicone neckband with built-in memory titanium alloy thread, which allows it to be flexed and stored in a pocket on the go. Featuring Ldac audio coding technology, the Oppo Enco M31 delivers an excellent audio experience with up to 12-hour playtime.