Specification:

• Amplifier: 3 Watt
• Consumption Current: Depends on volume
• Battery Type: Rechargeable lithium battery / 230mah
• Battery Life: Listen time 2-3 hours
• Battery Charge: 2 hours
• Transmit Range: To magnetic earbud is 15cm, To normal earpiece is 30cm
• Loop Diameter: 30cm
• Handsfree length: 75cm
• Package Weight: 0.13kg

Feature:

• Magnetic earpiece is very tiny, when put into ear, it's invisible to eye.
• With the 3.5mm audio jack, it's easily to connect to mobile phone.
• Built-in rechargeable battery, easy to carry, better sound quality.
• Economic solution for secret communication: cheating at examination, negotiation assistance and so on.

What in box:

• 2pcs Φ:3*2mm small magnet earpiece
• 2pcsΦ:5*5mm big magnetic earpiece
• 1 steel stick for taking earpiece out from ear
• 1 USB charger
• 1 USB charging cable
• 1 neckloop