Four-core dual moving coil unit, powerful sound effect, high fidelity sound quality. BT 5.0 technology, low power consumption, low latency, fast and stable transmission. Soft skin-friendly TPE material, in-ear design, fit the ear canal, comfortable to wear. The magnetic suction design removes tedious storage steps, not easy to win and lose. Built-in 210mAh battery ensures long endurance time, 10 hours music time, 200 hours standby time, no need to worry about power shortage. The transmission speed is faster, the call has no delay, the anti-interference ability is strong, and the signal is more stable. Intelligent noise reduction to reduce noise interference and make calls clearer. The dual-motion ring brings a wide range of frequencies, with thick bass and mid-frequency protruding.