•The new Bluetooth-compatible 5.3 technology can ensure the quality of music and pictures, effectively shorten the transmission interval of music and pictures, achieve high-speed and stable transmission, achieve almost no delay, listen to music, pursue dramas, play games with zero delay, and enjoy the fun of synchronization •DT3.0 directional transmission, adaptive directional sound transmission, detection of ear canal shape, automatic adjustment of integrated sound beam. The transmission angle is 25° to ensure the sound is transmitted into the ear canal efficiently •Smart touch control, convenient for controlling volume, select songs and answer calls •No fatigue even when worn for long periods of time; they are less likely to fall out and enjoy your music •The perfect stereo headphone with high-quality drivers, allowing you to experience naturally clear and ultra-boosted bass Specifications: •Bluetooth-compatible version: 5.3 •Bluetooth-compatible chip: JL •Headphone material: ABS plastic •Headphone battery: 55mAh •Charging case battery: 450mAh •Listening time: about 3 hours •Charging case size: 7.5*4.3*2.8cm Package included: •2 x Bluetooth-compatible Earphones •1 x Charging Case •1 x Charging Cable •1 x English and Chinese User Manual •Other items not include