8S Bluetooth 4.1 sports headphones with hands-free and remote control Blue

8S Bluetooth 4.1 sports headphones with hands-free and remote control. • Ergonomic design with hook extension for the auditory pavilion, specially designed for the practice of sports. • Bluetooth 4.1 + EDR: low consumption connection. • High quality sound. • Built-in microphone and control knob with volume adjustment, control between songs and play/pause. Call control. Charge by Micro Usb connection; directly to the electrical network or to any USB device that allows it. Frequency response: 60 - 20,000Hz Sensitivity: 102dB Battery: 110mAh Playing time: up to 6 hours. Bluetooth range: up to 10 meters, without obstacles.