Features:

It adopts a digital signal processing (DSP) chip to make superior reception and signal stability.High sensitivity,good selectivity.
A 24-hour alarm clock allows the radio to turn on automatically.
FM stereo,and it will improve sound clarity in noisy environments.
Automatically search for radio stations,as well as manually search and store radio stations.
Sleep Timer Function with Backlight: 24H time display with LCD backlight. Fall asleep to your favorite radio station, just set up sleep timer between 10 to 90 minutes and the radio will automatically turn off. 10-90minutes auto shut-off lets you fall asleep to the radio without worry about waking up to dead batteries.

✔How to register memory:

For example, FM broadcasting

Press the "TUN" key to select the station you like.
Short press "MEMO" key in the upper right corner of display appears the M and store address will flashes.
Assign the number in the upper right corner by pressing the "M+, M-" key.
After set up ,short press "MEMO" key or not can confirm the memory.

✔Product description：

Brand	ZHIWHIS
Manufacturer	SAYI
Model	ZWS-8801
Model Name	ZWS-8801
Product Dimensions	14.99 x 3.56 x 8.89 cm; 195.61 g
Batteries	4 AA batteries required.
Item model number	ZWS-8801
Hardware Interface	USB, 3.5mm Audio
Tuner Technology	AM/FM/Shortwave
Compatible Devices	Headphone, Earphone
Special Features	Sleep Timer, Alarm Clock、Time display, High-quality 3W speakers, Auto Power-on, Station memory presets (30 AM, 30 FM, 30 SW)
Mounting Hardware	1 x English User Manual & Warranty Card, 1 x Exquisite packing box, 1 x ZWS-8801 FM / MW/ SW Radio Receiver, 1 x USB cable(39.4in length)
Number of items	1
Display Technology	LCD
Display Type	LED
Speakers Maximum Output Power	0.5 Watts
Power Source	Battery Powered
Batteries Included	No
Batteries Required	Yes
GSM frequencies	108 Microhertz
Connector Type	USB
Radio bands supported	SW, FM, AM
Includes Rechargeable Battery	No
Manufacturer	SAYI
Country of Origin	USA
Item Weight	195 g

ZHIWHIS Portable Radio, AM FM Shortwave Digital Tuner with Best Reception, Battery Operated Clock Radios with Sleep Timer and Preset Function, Stereo Receiver with Alarm Clock for Home ZWS-8801