1. 16 pre-programmed channels; each radio has identical frequency on each of the 16 channels out of the box. 2. Supports USB charging, the product has a built-in 850mAh lithium battery, making charging more convenient. 3. PC programmable, non-standard CTCSS/DCS; scanning function, it can be turned off automatically. 4. Mini Walkie Talkies have a compact and lightweight body, can be easily put into your pocket without getting stuck or bulging. 5. Suitable for use in shopping malls, hotels, restaurants, beauty salons, outdoor sports, family camping and hunting. Item Type: Mini Walkie Talkies Material: ABS Built-in lithium battery: 850mAh Frequency band: UHF or VHF Frequency range: 400-480MHz or 136-174MHz Channel capacity: 32 Output power: 1W Operating mode: Simplex Frequency stability: ±2.55PPM Number of channels: 16 pcs 1 pair x Walkie-Talkie 2 x Lanyard 2 x Headphones 1 x Manual 1 pair x Earplugs 2 x Charging cable With the concept of customer first, we provide you with 24/7 customer service. No matter where you are or what problems you encounter, we will solve them for you as soon as possible to ensure that your shopping experience is worry-free.