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FONENG BL138 units use Bluetooth 5.3 for stable wireless pairing. With a 45-degree oblique build, these earbuds wedge into the canal to block external noise. Brass ring horn drivers provide clean frequency response for daily listening.
Key Features
- Bluetooth 5.3 Connectivity: Stable wireless pairing within a 10-meter range. Signal won't drop during outdoor movement.
- 45-Degree Oblique Design: Physical ear canal fit. Earbuds don't slip out during heavy sweat or humidity.
- Brass Ring Horn: Specialized audio driver hardware. Provides clear sound without crackling at maximum volume.
- Touch Adjustment: Capacitive sensors for track control. Tapping the surface prevents ear pressure from physical buttons.
- Type-C Charging: Universal port compatibility. Recharges the case using standard mobile phone cables.
- PC and Silica Material: Polymer and silicone construction. Resists skin irritation during long periods of wear.
Frequently Asked Questions
How long does FONENG BL138 battery last?
The battery supports 3 hours of active playback. Total standby time reaches 12 hours on a full cycle.
What material is used for the ear tips?
The ear tips consist of flexible silica gel. This material creates a tight seal to improve passive noise isolation.
