Mini size, net weight of the machine is 31g. Can be placed in a pocket or hung around the neck for easy portability. Built-in 400mAh lithium battery provides long-lasting performance. Offers good sensitivity with stable reception across AIR, FM, and AM bands. Clear LCD screen (28.5x28.5mm) displays frequency, volume, band mode, time, battery indicator, charging indicator, lock indicator, and sleep indicator. Orange backlit LCD screen for improved visibility in low light conditions. Chip capacity stores up to 120 radio stations (FM: 50, AM: 20, AIR: 50) with power-off memory function. Preset station options include fully automatic scanning and manual storage. Supports auto power-off function with timer settings: 90, 80, 70, 60, 50, 40, 30, 20, or 10 minutes. Lock button helps prevent accidental operation. Step setting 9/10KHz for MW band. 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: This product does not include an external speaker unlock function. Content listed above is the only included items; other items not mentioned are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.