1. Introduction
Thank you for choosing the POLVCDG X7 Bone Conduction Bluetooth Earphones. These earphones are designed for comfort, durability, and high-quality audio, especially for sports and water activities. Featuring IPX8 waterproofing, 32GB of internal memory, and Bluetooth 5.3 connectivity, the X7 offers a versatile listening experience.

Key Features:
- Bone Conduction Technology: Delivers sound through your cheekbones, keeping your ears open to ambient sounds.
- IPX8 Waterproof: Fully submersible, suitable for swimming and other water sports.
- 32GB Internal Memory: Store up to 6000+ songs for MP3 playback without a connected device.
- Bluetooth 5.3: Stable and efficient wireless connection.
- 10 Hours Battery Life: Extended listening time on a single charge.
- ENC Call Noise Reduction: Clearer calls in noisy environments.
- Lightweight & Comfortable: Designed for extended wear during activities.
- Dual Mode: Switch between Bluetooth and MP3 playback.
2. Package Contents
Upon unboxing your POLVCDG X7 earphones, please ensure all the following items are present:
- POLVCDG X7 Bone Conduction Earphones
- Magnetic Suction Charging Cable
- Earphone Fixing Rope
- User Manual
3. Setup
3.1 Charging the Earphones
- Connect the magnetic end of the charging cable to the charging port on the earphones.
- Connect the USB-A end of the charging cable to a standard USB power adapter (5V/1A recommended) or a computer's USB port.
- The LED indicator on the earphones will show charging status (refer to LED indicator section for details).
- A full charge typically takes approximately 1.5-2 hours.
3.2 Wearing the Earphones
The POLVCDG X7 earphones are designed for a secure and comfortable fit:
- Place the ear hooks over your ears, ensuring the transducers rest comfortably on your cheekbones, just in front of your ears.
- The headband should rest on the back of your head.
- Adjust the position for optimal sound and comfort. The titanium alloy memory bracket allows for flexible bending without deformation.

3.3 Bluetooth Pairing
- Power On: Long press the Power/Multi-function button until you hear a voice prompt indicating