UL 401120 3.7v 60mah lithium polymer battery | Shenzhen A&S Power battery
3.7v,60mah,301020 Plib; Polymer Lithium Ion / Li-ion Battery For Gps,mp3,mp4,mp5,dvd,bluetooth,model Toy Mobile Bluetooth - Digital Batteries - AliExpress
KP- 351418 3.7v 60mah Rechargeable Battery for syska Bluetooth (Kaju Battery) DIY, Toys Earbuds EarPods, 60 mah - JioMart