Chinese
 
27MHz OpticalM957AU , M971BU, M988U ,M997U
 M988U Wireless Optical Mouse
 Features:
-27MHz RF technology with multi-channel for improved performance.
-1000 dpi optical sensor provides cursor control with high precision.
-Low battery indicator to remind you to change the batteries.
-Power on / off switch to maximize the battery life.
-With a comfortable mid-size shape, M988U is the ideal mouse for your desktop or notebook.

Specifications:
@
Sensor Resolution1000 dpi
TrackingOptical sensor
Frequency27MHz
Buttons3
DimensionMouse : 99.5(L) x 60(W) x 39.5(H) mm
Receiver : 61 (L) x 18 (W) x 9 (H) mm
WeightMouse : 58g (not including batteries)
Receiver : 8g
ConnectorUSB
ColorMetallic Gray
Environment CompliantWEEE, RoHS
Agency ApprovalFCC , CE , BSMI

 M997U Stylish Wireless Mouse
 Features:
-Superior 27MHz RF technology.
-Low battery indicator on scroll to remind you to change the batteries.
-On / Off switch for mouse control.
-The operating range is up to 1.5m

Specifications:
@
Sensor Resolution1000 dpi
TrackingOptical sensor
Frequency27MHz
Buttons3
DimensionMouse : 100(L) x 57(w) x 36(h) mm
Receiver : 61 (L) x 18 (W) x 9 (H) mm
WeightMouse : 65 g
Receiver : 8 g
ConnectorUSB
ColorBlack
Environment CompliantWEEE, RoHS
Agency ApprovalFCC , CE , BSMI

 M957AU- Cordless Notebook Mouse
 Features:
-1000dpi optical sensor provides precise motion control.
-27MHz RF and 1 channel.
-The operation distance is up to 1m.
-Low battery indicator blinks to remind you to change the batteries.
-Built-in Power on/off switch on the mouse bottom.

Specifications:
@
Sensor Resolution1000 dpi
TrackingOptical sensor
Buttons2 buttons, scroll button (3-button Type)
DimensionMouse : 106(L) x 58(w) x 37(h) mm
Receiver : 68 (L) x 20 (W) x 11 (H) mm
WeightMouse : 80g (not including 2 x AA batteries)
Receiver : 10g
ConnectorUSB
ColorBlack - Silver 

 M971BU- RF Wireless Optical Mouse
 Features:
-1000dpi optical sensor provides precise motion control.
-27MHz RF and 1 channel.
-The operation distance of 1 m.
-Quiet scroll wheel is for smooth scrolling and zooming.
-Symmetrical shape can be used in either right or left hand.

Specifications:
@
Sensor Resolution1000 dpi
TrackingOptical sensor
Buttons2 buttons, scroll button (3-button Type)
DimensionMouse : 120(L) x 64(w) x 40(h) mm
Receiver : 68 (L) x 20 (W) x 11 (H) mm
WeightMouse : 138g (including 2 x AA batteries) 
Receiver : 10g
ConnectorUSB
ColorBlack - Silver 

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