| Specification | Details |
| Model | Yesido YSP13 BT5.3 Open Wireless Stereo (OWS) Air Conduction Earphone |
| Connectivity | Bluetooth V5.3 (Powered by BT8926B2 Chipset; stable multi-device pairing up to 10 meters) |
| Acoustic Design | Open-Ear Air Conduction Technology with Ear-Hanging Rotatable Hook Layout |
| Audio Drivers | 14.2mm Large-Diameter Dynamic Drivers for Immersive Open-Sound Reproduction |
| Battery Capacity & Life | Earbuds: 50mAh each (~6 hours playtime) • Charging Case: 600mAh (Extended total usage up to 9+ hours) |
| Charging Interface | Portable USB Type-C Charging Interface with LED Power Status Display |
| Material & Build | Durable PC + ABS Shell Construction with Ergonomic Non-Intrusive Fit |
| Special Features | LED Power Status Indicator, Smart Touch Controls, Built-in HD Microphone for Hands-Free Tactical Comms |