【Wireless Bluetooth Mouse】: BT3.0 / BT5.0 Two Bluetooth modes support the TECKNET Bluetooth mouse, which can be directly connected to a Bluetooth-enabled laptop or PC without a receiver. 【Power-saving and Long-lasting】: Energy efficiency features like an on/off switch and smart sleep mode help reduce power consumption, and 2 AA batteries can run this cordless mouse for up to 24 months with smart energy savings.
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