JBL Tune 670NC Wireless Adaptive Noise-Cancelling - White

Quick Overview: 

• Power supply: 5 V 1 A
• Sensitivity: 98 dB SPL@1 kHz
• Microphone sensitivity: - 40 dBV/Pa@1 kHz
• Maximum operation temperature: 45 °C
• Bluetooth version: 5.3
• Bluetooth transmitter frequency range: 2.4 GHz -- 2.4835 GHz
• Driver size: 32 mm/ 1.25" Dynamic Driver
• Battery type: Lithium-ion battery (690mAh/ 3.7V)
• Charging time: 2 hrs
• Music playtime with BT on: up to 70 hrs
• Music playtime with BT on and ANC off: Up to 70 hrs- BT on and ANC on: Up to 44 hrs
• Music playtime with AUX and ANC on: Up to 30 hrs
• Talk time with ANC on: Up to 30 hrs - ANC off: Up to 39 hrs