Sport headset with bone conduction technology delivers sound through cheekbones with 8GB music storage

* 1-year warranty

* Version: V5.0 * Weight: bare metal 33g * Charging time: about 1 hour * Protocol: A2DP/HFP, HSP, AVRCP, GAVDP, AVDTP * Frequency response range: 100Hz – 20KHz * Charging voltage: 4.75v – 5.25v * Storage temperature: 30°C to 80°C * Working temperature: -20°C to 70°C * Waterproof rating: IP55

* 8GB music storage