Wireless range up to 10 meters enables stable playback without interruptions from a distance. Longlasting battery with 800 mAh supports hours of listening between charges. Black finish provides a stylish, spacesaving design that fits with any home decor. Multifunctional allinone design: wirelessly play music, connect a card for playback, enjoy voice prompts, and use hands calling functions in one device. Key specifications and attributes Range: up to 10 meters Battery capacity: 800 mAh Color/finish: black Functions: wireless music playback, card playback, voice prompts, calling functions Use scenarios Living room or bedroom music: place in a central location and stream music from a compatible device within range to enjoy uninterrupted playback. Kitchen or home office: use for background music while working or cooking, with the option to take hands calls as needed. Local music playback: insert or connect a card to play stored music without external devices, suitable for offline listening in any room.