| Description | Wireless Headset Battery | 
| Application | Wireless Headphones | 
| Original Brand | Sony | 
| Chemistry | Nickel Metal Hydride | 
| Voltage | 2.4V | 
| Nominal Capacity | 700mAh | 
| Watt Hour | 1.7Wh | 
| Brand | Master (this product is a compatible alternative to that of the original brand) | 
| Width | 23.3mm | 
| Height | 11.6mm | 
| Length/Breadth/Depth | 46.6mm | 
| Weight | 25g | 
 
Suitable For: Sony MDR-RF4000, MDR-RF4000K, MDR-RF810, MDR-RF810RK, MDR-RF840, MDR-RF840RK, MDR-RF850, MDR-RF850RK, MDR-RF860, MDR-RF860RK, MDR-RF925, MDR-RF925RK, MDR-RF970, MDR-RF970RK Compatible With: Sony BP-HP550-11 battery
Product Code: BTB-BP-HP550-11