【Easy to use/No extra cost】：In the US, 2G services may not be available as carriers retire/shut down 2G frequencies. There are no 2G or GSM module, extra charge or APP in the smartwatch. It’s easier to use. At the same time, we have enhanced more entertainment and utility features.
【Pedometer / calories】: Our smartwatch has built-in motion sensors to track our kids’ steps and calories. With stopwatch and timer, it encourages children to exercise actively during the holidays and participate in fun games between children to stay healthy and active!
【Video + Magic Cameras /16 games + music:】：Children usually use “VCRS + magic cameras” to record every happy moment in their lives. “Games + music” can make children’s holiday life colorful, their minds will be more active and innovative.
【More practical features】：❶”12/24 hour analog/digital time display”, ❷”Calendar”,❸”Alarm clock” – check the date and time, remind important matters;❹ “Recorder”,❺”Flashlight”; ❻”Calculators” — These are all life gadgets. In addition, we provide additional SD cards, you do not need to purchase separately, only help the child copy files. We also have some MP3 children’s songs, pictures and videos built in.
☺Satisfaction☺：Customer satisfaction is our top priority, you will get perfect after-sales technical support services. Please contact us if you have any questions.
2. Comimark 1Pcs GPRS SIM800C GSM Module 5V/3.3V TTL STM32 C51 with Bluetooth and TTS for Arduino
BT5.0-Audio: Genuine 5.0 Bluetooth audio decoding chip. Supports incoming voice calls and can be used as a computer sound card.
Transmission Distance: 15m transmission under barrier-free environment.
Application: With the basic functions of BT5.0 Audio, long-distance transmission, lossless sound quality, Bluetooth 5.0 is backward compatible with Bluetooth 4.2, 4.1, 4.0.
Choose between USB power supply and battery power supply: This product has a discharge function and can be powered by a USB power supply. Note: If the USB is suddenly disconnected during playback, Bluetooth will automatically restart, automatically connect and maintain the previous playback state (Note: The product cannot be charged)
7. Techkey Wireless USB WiFi Adapter, 1200Mbps Dual Band 2.42GHz/300Mbps 5.8GHz/867Mbps High Gain Dual 5dBi Antennas Network WiFi USB 3.0 for Desktop Laptop with Windows 10/8/7/XP, Mac OS/10.9-10.15
Stronger Signals and Wider Range: Equipped with 2 pieces of Dual-band long-range 5dBi high-gain antennas, this WiFi card provides flexible connectivity, enabling your devices access to the latest dual-band WiFi routers for faster speed and greater range.
High WiFi Speed: AC1200Mbps with 802.11ac, the WiFi speed can be up to 867Mbps on 5.8GHz band or 300Mbps on 2.42GHz band for online gaming and seamless HD video streaming.
WiFi Hotspot: With the soft AP mode, this WiFi dongle can turn a wired internet connection into a WiFi hotspot, transmitting wireless signals to your mobile, laptop, tablet or other devices from your PC.
USB 3.0: With USB 3.0 port, it is 10 times faster than USB 2.0, ensuring the highest throughput and more stable internet connection for this USB adapter. Backward compatible with USB 2.0 and 1.1 devices.
System Support: Support Windows 10 / 8.1 / 8/ 7 / Vista / XP, MAC OS 10.9-10.15. Driver installation may be required. Note: the driver does not support Mac OS 11.0.1 or above
8. Nano V3.0, Nano Board ATmega328P 5V 16M Micro-Controller Board Compatible with Arduino IDE (Nano x 3 with USB Cable)