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Αντάπτορας USB to Micro USB
USB On The Go (OTG) Support
With this adapter you can connect flash memory, mouse, keyboard and other gadgets to your mobile device.
Χαρακτηριστικά
Accesory type Adapter
Color Silver

Connection mode: 2.4 GHz USB receiver
Sensor - Pixart 3065
Sensor type: Optical
Number of buttons: 4
Resolution: 800/1200/1600 DPI
Button life cycle: 3 million clicks
Battery: AA*1
Διαστάσεις:110*62*37mm
Transmission range: approx: 10m

Designed to provide finger support during daily work (for right-handed people).
Particularly elegant and convenient and with a sensor created by Pixart, it allows operation even on smooth surfaces.
It connects wirelessly at 2.4 GHz via the USB receiver and ensures uninterrupted communication with the computer.
It has 4 durable buttons which can withstand up to 3 million clicks.
- Connection: 2.4 GHz wireless USB 
1600 dpi

Handsfree Bluetooth Remax RB-T7Interface: Bluetooth 4.1Model: RB-T7Effective distance: 10 metersTalking time: 1.5-3.5 hoursStandby time: about 75-120 hoursCharging time: 2 hoursCompatibility UniversalMicrophone YesAccesory type Bluetooth headphonesConnecting Single PointDesign In earColor Black

Portable karaoke speaker
Bluetooth version - V5.0
Power - 5W
Resistance - 2 Ohm
Battery capacity - 1200mAh
Charging port - Micro USB
Charging time - 3 hours
Music playback time - 1 hours
Standby time - 5 hours
LED Backlit
Microphone input port
Playback modes - Bluetooth, FM, USB, TF
Connecting Bluetooth
Key features Radio tuner
Material Plastic
Max. distance 10 m
Power supply voltage 5 V

BCM2835 processor (ARM11 @ 700MHz)
512MB SDRAM
4xUSB 2.0 ports
100BASE -TX Ethernet

Raspberry PI3 B+
architecture Cortex A53
Memory 1GB RAM
Communictions protocol Bluetooth 4.2, Bluetooth Low Energy, IEEE 802.11ac/b/g/n, WIFI
Processor BCM2837B0
Clock frequency 1.4GHz
Video coding H.264, OpenGL ES 1.1/2.0
Wi-Fi 2,4GHz, 5GHz
Dimensions 85x56mm