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• Carrier frequency: 2.4GHz
• Frequency response: 20Hz - 20KHz
• Headphone battery life: Up to 20 hours
• Charge time: 3 hours • Distortion: 0.5%
• Signal - to - noise ratio: 85dB
• Operating range: Up to 100ft/30m
• Headphone net weight: 200g
• Headphone Battery: Lithium polymer battery, 630mAh
• Avantree Shift Extra Headphones * 1
• Type C Charging Cable * 1