Product Description This is an ultra-compact Bluetooth hands-free headset made by Elecom. It is very lightweight (approx. 6g), putting less strain on the ear, making it ideal for long meetings and calls while on the move. Equipped with CVC (Clear Voice Capture), it is designed to deliver your voice clearly to the other party. 【Product Features】 • Overwhelming lightness: An ultra-lightweight model weighing only about 6g. It's so light you'll forget you're wearing it. • Clear calls: Equipped with CVC function to reduce noise and enable comfortable calls. • Multi-point support: Can be connected to a maximum of two mobile phones simultaneously (convenient for carrying two phones, one for work and one for personal use!). • Can be worn on either side: Simply change the direction of the ear hook to use it on either the right or left ear. • Music/One-seg playback support: Not only for calls, but also for listening to music and video audio in mono. 【Product Specifications】 • Model number: LBT-PCHS400MBK (Black) • Bluetooth version: Ver 3.0 • Continuous talk time: Approximately 4 hours • Continuous standby time: Up to 100 hours • External dimensions: 15 × 29.5 × 29.8 mm • Weight: Approximately 6g 【Product Condition】 • Brand new and unused, in its original packaging. • The outer box may have some minor scratches due to storage, but this does not affect the contents. Please check the photos for details. 【Contents】 (As stated on the package) • Headset body ×1 • USB charging cable ×1 • Ear hook ×1 • Earpieces (S/M/L) ※M is already attached to the main unit • Instruction manual/Warranty • Quick pairing guide Immediate purchase is welcome. We aim to ship within 24 hours. If you have any questions, please feel free to comment! Elecom ELECOM Bluetooth headset hands-free telework business wireless earphones One-point advice: Searching for the product model number "LBT-PCHS400M" will take you to the Elecom official website, where you can find detailed manuals and Q&A. "Even if you are unsure about connection settings, you can rest assured as there is a guide on the manufacturer's website."