JOYROOM Openfree Series JR-OE4 Wireless Earbuds
- Featherlight & Comfortable: Each earbud weighs only 10g and is made with skin-friendly silicone, comfortable to wear
- Long Battery Life: Enjoy 12.5 hours on a single charge, with a total of 50 hours using the charging case. Real-time digital display shows remaining battery—worry-free on long trips.
- Immersive Balanced Sound: Built-in 16mm large driver delivers clear, dynamic audio with powerful bass and balanced mids.
- Instant Pairing with Bluetooth 5.4: Auto-connects when you open the case. Offers faster, more stable connections with improved signal strength and anti-interference.
- Stay-Aware Technology: Open-ear design keeps you connected to ambient sounds—hear traffic or conversations clearly while biking, running, working, or commuting.
1-Year Hassle Free Warranty
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1-Year Hassle Free Warranty
30-Day Money-Back Guarantee
Worldwide Fast Shipping
Payment Methods
1-Year Hassle Free Warranty
30-Day Money-Back Guarantee
Worldwide Fast Shipping
Payment Methods
JOYROOM Openfree Series JR-OE4 Wireless Earbuds
Technical Specifications
| Product parameters | ： |
|---|---|
| Model | JR-OE4 |
| Series Name | Joyroom Openfree OE4 |
| BT version | BT5.4 |
| Audio encoding/decoding format | AAC, SBC |
| BT range | 10m |
| Water resistance | IPX4 |
| Music time (50% volume) | 12.5h |
| Music time (50% volume) with charging case | 50h |
| Battery capacity | 80mAh (headphones)/800mAh (charging case) |
Technical Specifications
| Charging time | Around 3 h |
|---|---|
| Charging input | 5V⎓1A |
| Charging port | Type-C |
| Frequency response range | 20Hz-20KHz |
| Max output power | 20mW |
| Speaker impedance | 16Ω |
| Speaker size | Ф16mm |
| Overall size | 88.7*66.5*32mm |
| Material | ABS+PC |
| Net weight | About 78.8g (single headphone: about 10g) |