Bluetooth 5.1 Round Wire Neck-mounted Bluetooth Sports Earphone with Magnetic Function(Black)

1. Bluetooth 5.1 chip, intelligent noise reduction, high-definition call. 2. The treble is bright, the midrange is real, and the bass is strong, giving you a shocking experience. 3. Three-key line control, switching only takes a moment. 4. 100mAh battery, low power consumption, long battery life, to meet your outdoor needs. 5. Suitable for various environments, easy to deal with rain/sweat, running/fitness You can bring it. 6. The design of 360-degree azimuth fits the inclined surface of the ears, which is comfortable to wear and painless after long-term wear. 7. Intelligent magnetic attraction, anti-winding and anti-loss. Product parameters: 1. Bluetooth version: 5.1. 2. Drive unit: Graphene 10mm speaker. 3. Impedance value: 16 ohms. 4. Sensitivity: 92dB. 5. Frequency range: 16Hz-25KHz. 6. The weight of a single headset: 9.2g. 7. Battery capacity: 100mAh. 8. Standby time: about 10 hours. 9. Sound