Sumeber Bone Conduction Headphones Bluetooth Earphones, Open-Ear Wireless Noise Cancelling Earphones with Microphone, Bluetooth Headset, IPX6 Ultra-Lightweight, Comfortable for Ears, Perfect Gift for Elderly, Mother's Day, Father's Day (Black) 【Innovative Bluetooth & Open-Ear Model】Equipped with cutting-edge audio technology, these bone conduction earphones offer high-quality audio data transmission while conserving battery power. Furthermore, the extremely fast audio data transfer rate minimizes sound interruptions, ensuring stable communication. 【Stable Bluetooth Connection & Power Saving】: Bluetooth compatibility enhances stability and power saving, providing a reliable connection with a stable range of up to 33 feet (10 m). In addition, these bone conduction wireless earphones offer up to 8 hours of talk time using the microphone with a 2-hour charge. You can enjoy music, calls, and audiobooks/podcasts all day long. 【Up to 10 Hours of Use & Amazing Fit】: Built-in large-capacity battery allows for up to 11 hours of continuous listening on a full charge. Suitable for various locations such as commuting and sports, you can use it without worrying about battery life even during work or exercise. The ergonomically designed Bluetooth earphones have the perfect size for the vibration part, and the side pressure that holds both sides of the head is also appropriate, providing a secure fit and excellent wearing comfort, while also preventing slippage. 【24g Lightweight Design & Waterproof Function】: Weighing approximately 9g per ear, it's light enough to wear all day without feeling tired. The fit in the hollow of the ear is also good, and I hardly felt any slippage. Comfortable to wear without getting stuffy even when sweating. These bone conduction earphones are also equipped with dustproof and waterproof performance compliant with the IP67 standard, making them suitable for intense exercise and bad weather. There is basically no need to worry about breakdowns even if water droplets get on them. Safe for sudden rain during outdoor use such as jogging. *Although it has water resistance, we do not recommend submerging the bone conduction Bluetooth earphones in water. 【Package Contents】: No cosmetic box, Bone Conduction Bluetooth Earphones x 1, USB Charging Cable x 1, Japanese Instruction Manual x 1.