INK CARTRIDGE – HP 67 BLACK

1. Neck-mounted design, comfortable and light for all-day wear
2. Memory springs back, can be bent at will, is more convenient to store, and does not take up space
3. Skin-friendly silicone feel, silky and soft, comfortable to wear, and not sticky to the skin
4. In-ear wear, suitable for all kinds of auricles, comfortable and not painful
5. Low power consumption battery, continuous use up to 8 hours.
6. Physical buttons, intelligent control, easier to use
7. Supports various mobile devices and is compatible with various apps

6 Months Warranty