ME53 - Amplified Bluetooth Ball-pen use classic design created in 2012. It has a strong built-in 2 watt audio amplifier. Newly updated ME53 module uses Bluetooth 3.0 chip supports A2DP and EDR functions. Blueotooth ball-pen is available to pair with any Bluetooth enabled mobile phones and Bluetooth adaptors. The excellent 2 watt audio amplifier ensure spy earpiece user will hear clearly while normal writing. Below is the working principle of 2 watt amplified inductive Bluetooth pen transmitter.
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