Mice & Trackballs There are 2 models optional, different model with different interface and appearance, please choose suitable model before purchase: 1Bluetooth 5.1+2.4G dual-mode connection,No Power Indicator light 2Bluetooth 5.2+2.4G dual-mode connection,With Power Indicator light Describe: Bluetooth 5.2+2.4G dual-mode connection,With Power Indicator light Workingmode:2.4GHz+Bluetooth5.2Batterycapacity:500mAhBluetoothDPIvalue:1200-1600-2000-2400-40002.4GDPIvalue:800-1200-1600Powersupplymode:rechargeablelithiumbatteryReceiver:externalreceiverMouseweight:about0.1kgErgonomics:SupportWorkingdistance:10meters A new wirele method, with its own power display BT5.2+2.4GDUAL-MODECONNECTION Compatiblewithvarioussmartphones,computerstablets,etc.Noneedtoworryaboutadaptation HOWMUCHPOWERISVISIBLEATAGLANCEDisplaythepower,theremainingpowercanbeclearlydisplayedbythelightPowerdisplay: 2.4GversionPreandholdtheDPIbuttonfor3secondsinthepoweronstatetodisplaythepower.Turnthemousebackontodisplaythebatterylevel.BluetoothversionAutomaticallydisplaythepowerwhenpoweron,alwayson. Bluetooth 5.1+2.4G dual-mode connection,No Power Indicator light Features: 1. Engineering design, stylish appearance and comfortable feel. 2. Optical positioning, positioning is more accurate. 3. Smart mini receiver, automatic connection, no need for complicated code matching. 4. Up to 16 million ID coding designs to enhance the anti-interference characteristics of the mouse; 5.Any 360 around the use angle, as far as the control distance of about 10 meters; 6. Circuit management design, making the mouse more power-saving; 7. Resolution 800-1600dpi adjustable frequency, enjoy your wirele free space; 8. System requirements: Windows2000/XP/Vista/Linux/7/ and MAC operating system 9: Silent design of left and right keys, more quiet. Specification: 1. Wirele transmiion distance: about 10m 2. Wirele carrier frequency: 2402MHz-2480MHz 3. Wirele working channels: 16, automatic frequency hopping 4. Key stroke: 0.8mm 6. Keystroke force: 60-7010g 7. Key life times: 3 million times