Good moving volume good sound quality, 40mm moving coil driver, full bass, treble bright, specially customized by the professional acoustic components supply chain, precision manufacturing.Listen to the sound location, dual-channel high-performance analysis chip, the true embodiment of the sound source location, before you see the person first heard its voice.Three axis adjustment multi-axis adjustment comfortable no dead angle, enjoy life without burdenUsing Bluetooth 4.2 core technology, with a high transmission speed of 24Mbit / S, can transmit high bit rate music signal, help users enjoy wireless high-quality audio.Ultra-long playback time, polymer safety explosion-proof battery, up to 600mAh battery capacity, continuous listening to songs for 20 hours, breaking the traditional short battery life