300mah Battery For Samsung Gear S2 3G R730 SM R600 SM R730S SM R730A SM R730V SM R730T EB BR730ABE|Digital Batteries| - AliExpress
Amazon.com: MoKo Watch Band Compatible with Samsung Gear S2, Soft Silicone Replacement Sport Band fit Gear S2 (SM-R720 / SM-R730 ONLY) Smart Watch, NOT FIT S2 Classic (SM-R732 & SM-R735), NOT FIT