Wireless Freedom B39 headphones: Up to 10 meters transmission range with Bluetooth 5 Multifunctional Design: Features a battery level display, call controls, voice control, music support, and multipoint connectivity for various usage scenarios Immersive Stereo Sound: Dualchannel stereo output delivers quality sound and immersive audio performance Versatile Gifting Options: Suitable for weddings, birthdays, holidays, housewarmings, trade shows, promotions, employee benefits, anniversaries, business gifts, grand openings, award ceremonies, and public relations events Use scenarios: Remote work and online meetings: hands calling, voice control, and reliable wireless connection for clear communication On the go: listening to music and taking calls during commutes or travel without wires Corporate gifting: ideal for employee rewards, client gifts, and event giveaways at conferences or openings