The JVC HA-XC90T user manual provides safety warnings, operation steps, charging instructions, Bluetooth pairing, and specifications for the wireless…
This manual begins with safety precautions, warning users about risks such as short‑circuit, fire, water damage, and the need to keep the earphones away from metal objects, children, and magnetic items. It also explains proper handling of the ear tips, cleaning procedures, and the prohibition of use while riding a bicycle, motorcycle or driving a vehicle.
The guide then covers charging the earphones and case, Bluetooth pairing steps, usage controls, and key specifications such as frequency response, battery life, waterproof rating, and weight. It references a web manual for advanced features like hands‑free calls and troubleshooting. This manual is written in Chinese.
| Frequency response | 20 Hz–20 kHz |
|---|---|
| Battery life (earphones) | ≈15 h |
| Battery life (charging case) | ≈30 h |
| Charging time (earphones) | ≈2.5 h |
| Charging time (case) | ≈3.5 h |
| Waterproof rating (earphones) | IP55 |
| Weight (earphone) | ≈10.3 g |
| Weight (charging case) | ≈135 g |
| Bluetooth profile support | A2DP/AVRCP/HFP |
No. Covering the device with a blanket or clothing while charging can cause overheating and fire.
The earphones have an IP55 waterproof rating.
Charging the earphones takes about 2.5 hours, and the charging case takes about 3.5 hours.
The frequency response covers 20 Hz to 20 kHz.