RETEVIS HD1 136-174&400-480MHz&76-107.95MHz 3000CHS Dual Band DMR Digital Waterproof Two Way Radio Handheld Walkie Talkie, US Plug(Black) JUNSUNMAY or as a bookshelf

or as a bookshelf

and cannot amplify the sound

1 x Instruction Manual

Shell film set x 1

Function: Adjust volume level

RETEVIS HD1 136-174&400-480MHz&76-107.95MHz 3000CHS Dual Band DMR Digital Waterproof Two Way Radio Handheld Walkie Talkie, US Plug(Black) JUNSUNMAY or as a bookshelf1. Use the digital mobile radio (DMR) layer 2 standard protocol. It is compatible with other brands and models of popular MOTO TRBO series Tier I and II that use standard encryption and other DMR enabled radios. It is also compatible with any existing analog two way radios operating on supported UHF and VHF frequencies and can be easily ported to digital technology. Almost all operations can be done through the wireless keyboard 2. It also has many