1. Bluetooth solution: Jerry 6936D
2. Headphone battery: 501012 40mAh
3. Dock rechargeable battery: 602030 400mAh (with protection board)
4. Type: moving coil
5. Resistance: 32Ω
6. Speaker size: 13mm
7. Earphone playback time: 3-4 hours
8. Bluetooth version: 5.0
![. Case of [12] Duracell Coppertop Alkaline Batteries C 8/Pack .](http://cdn.shopify.com/s/files/1/0683/6240/4152/products/437638_{width}x{height}.jpg?v=1668561861)
![. Case of [2] Duracell Coppertop Alkaline Batteries 9V 4/Pack .](http://cdn.shopify.com/s/files/1/0683/6240/4152/products/437630_{width}x{height}.jpg?v=1668561854)
![. Case of [2] Industrial Alkaline Batteries AAA 24 Batteries .](http://cdn.shopify.com/s/files/1/0683/6240/4152/products/438663_{width}x{height}.jpg?v=1668536480)
