| 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