- - Black Headphones
- - Wireless RF connectivity 3937" (100 m)
- - Circumaural 18 - 22000 Hz
- - AAA Nickel-Metal Hydride (NiMH)
MDR-RF850RK - Wireless closed style FM headphones with long battery life and an incredible 100m range
Rechargeable RF Headphones
Auto-recharge function by placing the headphones on the standing transmittor
Battery playback time up to: - 15 hrs with rechargeable batteries - 22 hrs with Sony Alkaline batteries
Volume Control on headphones
3-channel transmission
Auto-Tuning
RF Transmission up to 100 m
Sony MDR-RF850RK, Wireless, 18 - 22000 Hz, 9.52 oz (270 g), Headphones, Black
Sony MDR-RF850RK. Product type: Headphones. Connectivity technology: Wireless. Headphone frequency: 18 - 22000 Hz. Wireless range: 3937" (100 m). Weight: 9.52 oz (270 g). Product color: Black