Sony Wireless Headphones WH-CH510: Wireless Bluetooth On-Ear Headset with Mic for Phone-Call, Black

Specifications:

• Model: WH-CH510
• Driver Unit: 30mm dome type driver
• Frequency Response: 20-20,000Hz
• Sensitivity: 94dB/mW
• Impedance: 34ohms (when connecting via the headphone cable with the unit turned on), 17ohms (when connecting via the headphone cable with the unit turned off)
• Cord Length: 1.2m (3.94ft)
• Weight (without cord): 132g (4.66oz)
• Connector Type: Bluetooth 5.0, NFC One-touch
• Microphone: Yes, built-in microphone for hands-free calling
• Controls: Buttons on the earcup for power, volume, and music playback control
• Battery Life: Up to 35 hours of music playback time or talk time, up to 200 hours of standby time
• Charging Time: Approximately 4.5 hours for a full charge
• Compatibility: Compatible with most Bluetooth-enabled devices