COBY Bluetooth Wireless Metal Folding Headphones Ultra-Modern Portable
• Playtime: Up to 10 hours
• Charge time: Approx 2 hours
• Battery: Rechargeable lithium-ion
• Driver diameter: 40mm
• Frequency Range: 20-20000Hz
• Impedance: 32 Ohm
• Sensitivity: 100+3dB
• Bluetooth range: Up to 49 feet
• Charge time: Approx 2 hours
• Battery: Rechargeable lithium-ion
• Driver diameter: 40mm
• Frequency Range: 20-20000Hz
• Impedance: 32 Ohm
• Sensitivity: 100+3dB
• Bluetooth range: Up to 49 feet