Model; VARTA CP454 rechargeable lithium battery
Size: 14*5.4 mm
Voltage: 3.7v
Capacity: 85mAh

With wire and rechargeable battery

 

 
Compatable with : 
Samsung Galaxy Buds+
BOSE SoundSport Free

Package include: 
2 pcs VARTA CP1454 Batteries with wire