Grado first true wireless headphones, the GT220 continues our journey of making Grado’s signature sound wireless.

• Bluetooth: 5.0
• Battery Life: 36 hours
• Headphone Battery: 6 hours; 50mAH
• Case Battery: 5 full charges; 500mAH

• Charging: USB-C, Wireless; 2 Hours
• Codec: aptX, AAC, SBC
• Frequency Response: 20Hz~20KHz
• Nominal Impedance: 32ohms

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