Bluetooth/MP3 Li-polymer battery: High energy density&capacity, Light weight and high power, Pollution-Free!
Model: 402030

1) Type: Bluetooth/MP3 Polymer Li-ion
2) Nominal Capacity: 190mAh
3) Dimension: 402030
4) Weight approx: 3.5g
5) Voltage: 3.7V
6) High energy density
7) Low self-discharge
8) Chargeable up to 500 or 1000 times
9) Low internal resistance
10) Widely applied in Bluetooth, MP3, etc.