# Wireless 900Mhz FM headphones for cord-free listening 40mm driver units for expressive sound Easy-adjust headband for long term comfort Noise reduction system for minimal transmission noise Automatic tuning for optimum signal reception

**Manufacturer:** Sony  
**MPN:** `mdr-rf985rk`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Sony |
| Manufacturer name | Sony |
| Manufacturer | Sony |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Walmart | 997485824 | 54.06 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/199000000/199058000/part_--mdrrf985rk---Sony--2cd684b873.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp