[Comfort design Noninductive wearing]Electroplating process Lightweight design, comfortable, give you almost no pleasant experience [Bluetooth 5.4]High-capacity charging compartment Equipped with 5.4 chip set, lower power consumption and long-lasting battery life. [24 hours battery life]:The earphones have a single battery life of 4 hours,with a charging case for total listening Up to 24 hours [Multi-device compatible]Fully compatible with a variety of devices with Bluetooth function cell phone/tablet/laptop, etc. [HIFI sound quality]Capacitor crossover, more delicate mid-range and bass,create an immersive musical enjoymen.syi