Features: Automatic Pairing: Featuring automatic pairing technology, you can automatically pair this device with the Bluetooth device seamlessly without any problems and within a few seconds, you will enter the joyful world of music. Stereo Sound: The unique stereo sound quality and well noise reduction technology provide you with perfect sound, you can feel more realistic music. High Endurance: The compact and lightweight magnetic charging box is equipped with a 800mah high-capacity battery, so you can charge it anytime and anywhere. Wide Application: Equipped with earplugs of different sizes, so that you will not feel uncomfortable wearing headphones for a long time.This is ideal for running, jogging, cycling, and exercising in the gym. Specifications:Type: Wireless Headset Model: M25Bluetooth Version: 5.3Headphone Battery Capacity: 50mAhCharging Compartment Battery Capacity: 800mAh Headphone Playback Time: 3-5 Hours Charging Time of Charging Compartment: 2 Hours