Etymotic Research Er4XR Extended Response Precision Matched In-Ear Earphones (Detachable Balanced Armature Drivers, Noise Isolating, High Fidelity, World Leader Response Accuracy), Black, Standard
| Headphone jack | 3.5 mm Jack |
| Model name | ER4XR |
| Connectivity technology | Wired |
| Special features | Etymotic designs products to measure, improve and protect hearing, and enhance the listening experience of music lovers everywhere. Audio engineers, musicians and audiologists at Etymotic have generated over 100 patents issued and pending. |
| Included components | Headphones, case, tip pack, manual |
| Age range (description) | Adult |
| Material | Aluminum |
| Recommended uses for product | Calling |
| Compatible devices | Cellphones |
| Cartoon character | no character |
| Control type | Noise Control |
| Cable feature | Detachable |
| Item weight | 0.37 Kilograms |
| Water resistance level | Not Water Resistant |
| Package type | Standard Packaging |
| Product Dimensions | 1 x 3 x 1 cm; 370 g |
| Item model number | ER4XR |
| Other display features | Wireless |
| Color | Black |
| Item Weight | 370 g |
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