Specification:

Item Type: Pen Mouse
Model: PR-03
distance of 2.4G mouse: 10 meters
3 -Level DPI adjustment: 800/1200/1600
Mini receiver
Supported systems: For 7/8 / Vista/ XP/ 2000 / / / OS X.
Battery: Use 1 AAA battery (not included).
Product color: Red / Blue / Gray (optional)
Number of keys: 4
carrier frequency: 2402MHz-2480MHz
working channels: 16, automatic frequency hopping
Rated working voltage: 1.5 V
Rated working current: 6 mA
Tracking system: Optical
Maximum acceleration: 14 inches/second
Material : ABS plastic

Package list:
1 x Capacitive Mouse Pen
1 x Mouse Base
1 x USB Receiver
1 x User Manual
1 x USB to Type-C Adapter
1 x USB to Micro Adapter

Note:
Low voltage alarm function:
When all batteries are low, the low voltage alarm light on the pen and mouse will light up to remind you to replace the battery as soon as possible. When replacing the battery, you must use AAA batteries.