Description: 【 TWO WAY RADIO TRANSCEIVER 】 This portable two way radio transceiver could work with other walkie talkie (the same channels and frequency), easy operating. 【 PC PROGRAMMABLE 】 This handheld two way through computer programming and set CTCSS DCS code, Normal mode: 38 CTCSS + 61 CDCSS ; Professional mode: 50 CTCSS + 105 CDCSS .UHF (400-470MHz) Frequency Band 【 ROTATABLE EARBUD PLUG 】360 degree rotatable earbud plug for left and right ears, the radio features loud and clear audio,a useful tool for working and communicating. 【 MINI AND LIGHTWEIGHT 】The Mini Walkie Talkie is only 5.3cmx2.15cmx1.5cm/2.09inchx0.85inchx0.59inch, small in size and portable,easy to carry, which makes it easier to call contacts and groups . 【 EASY TO USE 】The two way radio features back clip design, can be easily clipped on clothes, hands free.This walkie talkie perfects for hotel staff, shopping mall staff, supermarket staff, hair salon workers, KTV staff, warehouse staff, restaurant staff, and security guards etc Specification: Number of channels: 25(By PC program) Rated voltage: DC3.7V Battery capacity: 280mAh Transmitting Power: 0.5W Function: CTCSS DCS code Channel Spacing:12.5K 25KHz Size Chart: 5.3cmx2.15cmx1.5cm/2.09inchx0.85inchx0.59inch Package Includes: 1 Walkie Talkie 1 USB cable 1 Earphone 1 User Manual Note: Please allow slightly errors due to manual measurement and different monitors.