Product Name: FM Bluetooth Player Model NO.: RX-666BT Power Supply: Rechargeable Battery Pack Radio Power: USB Charge Radio Principle: IC Radio Function: Built-in Speaker, Multifunction Display: Without Display Style: Portable Origin: China HS Code: 8527990000 Product Description FM RadioWith USB/TFBluetoothUSB-TF-PC linkAux inBuilt-in 18650 batteryDC 5V IN Charging(Inclued USB Charging Wire)Unit size:19X6.1X5.7CM[BLACK GREEN SILVER CLR]Inner packing:Each product in Bubble bag + color boxBox dimensions: 19.9*6.2*6CMOuter packing:QTY: 60PCS/CTNN.W.: 28.1 KGG.W.: 29.1 KGMEAS: 42*34*39.5CMContainer loading:20' FCL: 31200PCS40' FCL: 63600PCS40'HQ: 74400PCSRX-666BT Product DescriptionParameterBANDAMFMSWFrequencyrange87.5-108MHzLow sensitivity90MHz 5 dBSensitivity98MHz 5 dBStopSensitivity106MHz 5 dBUSB/TF playbackMP3 WMA WAVICTriodeSpeaker2.25"4Ω 5W Φ45mmFM antennaBluetooth4.2ChargingIndicatorSupportTransformer/Lead-acid battery3.7V 1200mAh 18650Battery playing USB Maximum sound timeLead-acid battery: 2hrtEarphone jackUSB/TFSupportPoweroffmemoryfunctionPC linkSupport(link BT13)Maximumoutputpower8WMaximum consumptionpower8WAC voltage110~220VWeight/Size408g / 19*6.1*5.7cm