Why choose Retevis RB21 walkie-talkie?
Retevis RB21 is a full-featured network walkie-talkie;
Supports access to 2G/3G/4G networks for unlimited calls nationwide
By purchasing a SIM card; as long as there is a network signal, you can keep the radio unblocked
The network walkie-talkie has Wi-Fi and Bluetooth capabilities; if you don't want to buy a SIM card; you can also connect to Wi-Fi for interoperability; you can use this method at work in hotels or at home
With GPS positioning function; support for software such as Zello; RB21 can help you communicate well with your companions when you travel
1G+8G memory; dual card dual standby; 2.4-inch touch screen; enable RB21 to have walkie-talkie function and main functions of mobile phone; walkie-talkie like mobile phone
IP54 waterproof rating; excellent water resistance; dust and drop resistance
2800mAh rechargeable Li-ion battery; USB charging port; Excellent battery performance; You don't have to worry about running out of battery whether you're out playing or working
Specifications:
OS: Android 7.1 Marshmallow
Battery: 2800mAh Li-ion
RAM: 1GB RAM
ROM: 8GB ROM
Package includes:
1 x RB21 Internet Radio (Note: a SIM card is not included in the package)
1x 2800mAh battery
1 x adapter
1 x Charger
1x belt clip
1x Hand Strap
1 x English User Manual