Working fine as described
Akari 4V 0.5Ah Sealed Lead Acid Rechargeable Battery For Mosquito Bat / Toys
The stick is too small
Description
Model Name: S11.
Speaker Size: 10mm.
Frequency Range: 18-20000Hz.
Sensitivity: 116dB (at 1KHz0.5V rms).
Impedance: 32ohms.
Cable Length: 120cm.
Jack: 3.5mm.