OsseoWave Specifications 1 month ago Updated Name: OsseoWave Size: The straightened headband is 190mm Weight: 23g Colour: Black Battery: 180mA Charging time & Voltage: ≈1.5 hours & 5V Usage Duration: ≈ 9 hours of music time (with80% volume) & 10 hours of talk timetime (with 80% volume)