Usage: In-ear type single and double-ears: Two-sided stereo white color mold type: male mold chip type: Jerry battery life: 4-8 hours broadcast year/season: 2022 style: simple style waterproof performance: daily waterproof headset Category: Wireless Packaging List: Headphone Charging Box Data Cable Guide Material: Plastic Model: Lenovo XT89 Unit Weight: 0.05 kg