300mAh/1.14Wh 3.8V
Samsung Gear S2 3G SM-R730 R730V R730A

315mah 3.7V
SAMSUNG Galaxy Gear 1 SM-V700

380mAh/1.47Wh 3.85V
Samsung Gear S3 frontier (SM-R760) / Samsung Galaxy Gear S3 Classic R770