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 / FM / AM each band has a stable reception signal. Clear LCD screen (28.5x28.5mm) displays frequency, volume, band mode, time, battery symbol, recharge symbol, lock symbol, and sleep symbol. Orange backlit LCD screen designed for convenient evening use. Chip capacity stores 120 radio stations (FM: 50, AM: 20, AIR: 50) with power-off memory function. Preset station options include fully automatic scanning storage and manual storage. Supports auto power-off function with timer settings from 90 to 10 minutes in decrements of 10 minutes. Lock button prevents accidental operation. Step setting 9 / 10KHz MW. Specifications: Model: -767 Frequency: AM: 522-1620 KHz (9KHz) / 520-1710 KHz (10KHz) FM: 76-108 MHz AIR: 118-138 MHz Sensitivity: AM: ≤ 20mV/m FM: 8μV AIR: 2μV Battery capacity: 3.7V 400mAh Color: black Material: plastic Size: 9.1 x 3.9 x 0.9 cm 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 / Chinese) Note: The product does not have an external speaker unlock function. Only the above package content is included; other products are not included. Note: Lighting and different displays may cause slight color differences between the item in the picture and the actual item. Measurement allows an error of +/- 1-3 cm.