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Headphone | Jack 4 pins (Compatible Jack classique) |
Invisible | Oui |
Battery Type | Lithium Rechargeable Battery |
Frequency Range | 2400~2480MHz |
This is the most popular spy invisible skin earpiece. After use it you can enjoy advantages of stable micro speaker, clear audio voice output and hidden skin color.
The 1.55volt 337 silver oxide button cell battery has a capacity of 8mAh. 337 button battery is for use in spy invisible earpieces.