Xiaomi Bluetooth sports earphones, with dual drivers and ergonomic design, gives you great music experience. Main Features: ● Dynamic driver and balanced armature driver, more pure and mellow three frequency ● High fidelity transmission, support AAC audio decoding and apt-X, rich immersive sound ● Lightweight, only 40g, ergonomically designed for more comfortable wearing ● Magnetic earbud, hang it around your neck without worry about dropping ● Line length: 0.85m