The MerryKing M70 Portable Wireless Bluetooth Translation Earbuds are designed for on-the-go language translation with support for 150 languages. These earbuds feature a built-in microphone for clear communication, HD voice for enhanced audio quality, and noise cancellation technology. The earbuds are equipped with Bluetooth V5.4 for seamless connectivity and have a battery capacity of 300mAh, providing up to 60 days of standby time. With a waterproof and sweat-proof design, these earbuds offer a comfortable and durable listening experience.