Specification:Item Type: Radio Music Player Material: ABS Receive Range: MW: 522-1620KHZ(Medium Wave Step Value 9KHZ 520-1710KHz(Medium Wave Step Value 10KHZ) FM: 87-108MHZ SW:5.70-17.90MHZ WB:162.400-162.550MHZ Receive Sensitivity: FM:8dB MW86dB SW32dB Quiescent Current: 60uA Maximum Current: 650MA Speaker: 4/3W SNR: FM:40dB MW:30dB SW >40dB Bluetooth Version: VER 5.0 Bluetooth Reception Distance: 10m/32.8ft Minimum Operating Voltage: 3.4V External Input Voltage: Direct Current: DC5V Built In Lithium Battery: BL5C Lithium Battery: 3.7V 1000mAhInclude Maximum Memory Card Capacity: 256G(Not Include) Package List:1 x Radio Music Player 1 x Lifting Rope 1 x Charging Line 1 x Description About this item Loud Sound: The radio music player has square level volume, rocking the house. Using diaphragm horn, 3W power, volume over 120 decibels. Long Battery Life: This multimedia music player built in 1000mah large capacity lithium battery. Improved battery life. Stable Transmission: Wireless bluetooth connection, wide range of stable transmission. Bluetooth version 5.0, up to 10m/32.8ft stable connection range. Multifunction: The radio CD player support memory card playback, support full band broadcast reception, support NOAA weather forecast. Compact Size: The digital radio is small size, flexible and portable. It's easy to take with you when you travel. Loud Sound: The radio music player has square level volume, rocking the house. Using diaphragm horn, 3W power, volume over 120 decibels. Long Battery Life: This multimedia music player built in 1000mah large capacity lithium battery. Improved battery life. Stable Transmission: Wireless bluetooth connection, wide range of stable transmission. Bluetooth version 5.0, up to 10m/32.8ft stable connection range. Multifunction: The radio CD player support memory card playback, support full band broadcast reception, support NOAA weather forecast. Compact Size: The digital radio is small size, flexible and portable. It's easy to take with you when you travel.