Mini size, the net weight of the machine is 31g. You can put it in a pocket, or hang it on the neck, easy to carry. Built-in 400mAh lithium battery ensures long battery life. Good sensitivity, AIR or FM or AM each band has a stable reception signal. Large clear LCD screen (the size of the LCD screen is 28.5x28.5mm) shows the point of frequency or volume or band mode or time or battery symbol or recharge symbol or lock symbol or sleep symbol. Orange backlit LCD screen designed, it is convenient for evening use. Large chip capacity, it can store 120 radio stations (FM band: 50 or AM band: 20 or air band: 50) and have a power off memory function. The preset station has two ways: 1 fully automatic scanning storage station 2 manual storage station. Supports auto power off function, 90-80-70-60-50-40-30-20-10 minutes can be set. The lock button prevents errors. Step setting 9 or 10KHZ MW. Specifications: : HanRongDa Model: HRD-767 Frequency: AM: 522-1620 KHz (9KHz) or 520-1710KHz (10KHz) FM: 76-108MHz AIR: 118-138MHz Sensitivity: AM: less than or equal to 20mv or m FM: 8Uv AIR: 2uV Battery capacity: 3.7V 400mAh Colour: black Material: plastic Size: 9.1x3.9x0.9cm Package Contents: 1 x Multi-Band Radio 1 x Earphone 1 x USB Charging Cable 1 x Lanyard 1 x Carrying Bag 1 x User Manual (English or Chinese) Note: the product does not have an external speaker unlock function. Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.