The is a lip1349 battery perfect alternative, fits Sony gold wireless headset battery replacement.
3.7v rechargeable li-ion battery capacity 1200mAh
It‘s consists of high-purity lithium cobaltate cell and Seiko lithium battery charge and discharge protection modules and in normal circumstances, it can be used for at least 5 years.
Nominal Voltage: 3.6V ~ 4.2V; Cutoff Voltage (Discharged): 3.0V
The battery equipped with protection module,Provide comprehensive safety protection for products Includes over-charge, over discharge, and short circuit protection