Manufacturer: Jabra Model Name: Evolve2 55 Model Number: HSC170W December 2024 Purchased from an authorized Jabra Japan dealer Accessories: USB Type-C charging cable, Link 390 Bluetooth adapter, carrying pouch ■ Manufacturer's Top Page: https://www.jabra.com/ja-jp/supportpages/jabra-evolve2-55#/#25599-999-999 ■ Manufacturer's Suggested Retail Price: ¥24,980 ■ Basic Specifications ・ Connectivity: Bluetooth®, USB-A, USB-C ・ Operating Range (Bluetooth): Up to 30m ・ Pairing Devices: Up to 8 Bluetooth®-enabled devices ・ Simultaneous Bluetooth Connections: 2 ・ Active Noise Cancellation: Yes ・ Speaker Size: 28mm ・ Speaker Frequency Range: 20Hz - 20000Hz ・ Microphone Type: 2 Analog MEMS / 2 Digital MEMS ・ Microphone Frequency Range: 20Hz - 10000Hz ・ Bluetooth Version: 5.2 ・ Supported Audio Codecs: AAC, SBC ・ Music Playback Time: Up to 18 hours (ANC off) / Up to 15 hours (ANC on) ・ Talk Time: Up to 16 hours (ANC on) ・ Battery Type: Rechargeable Lithium-ion battery ・ Charging Time: Up to 120 minutes ・ Battery Life After 30 Minutes of Charging: Up to 50% ・ Certifications and Compliance: Cisco, Unify, Microsoft Teams, Zoom, Google Meet, Amazon Chime, Amazon Alexa ・ Body Weight: 130g ■ Inspection Items: ・ Basic Operation: No problems, confirmed. ・ Appearance: Shows signs of use consistent with normal usage. ・ Battery Condition: Charged, operational. ・ Sound Check: No problems, confirmed.