??SDY033 Multifunctional Wireless Bluetooth Speaker with Mic LED Display (Black)<br>1. The latest Bluetooth solutions¡¢ receiving distance 15 meters straight¡¢ clear hands-free calling. <br>2. Support TF card¡¢ USB memory music playback. <br>3. Support 3.5mm audio input line in. <br>4. Support MP3¡¢ WMA¡¢ WAV¡¢ format¡¢ supports lossless music format APE¡¢ FLAC. <br>5. With FM radio¡¢ built-in FM antenna¡¢ FM frequency tuning function support. <br>6. With LED display. <br>7. Supports Bluetooth hands-free calling and call-back function. <br>8. High quality amplifier IC¡¢ superior sound quality. <br>9. High-capacity detachable battery: 1800mAh enough to allow you to enjoy your music in the ocean.<br><br>Transmission distance: W/O obstacles 15mModel: SDY033Material: ABSCharging Current: 1000mAhPower Source: Battery¡¢ USBConnection: BluetoothWorking Voltage: 3.3-4.2VBluetooth Version: V2.1Supports: Handsfree¡¢ Bluetooth¡¢ Microphone¡¢ TF Card Music PlayingCharging Time: 2-3 hoursWeight: 370gBattery Capacity: 1800mAhSNR: >=90dbPackage Contents: 1 x Speaker¡¢ 1 x USB cable¡¢ 1 x AUX Cable¡¢ 1 x User ManualBattery Types: Lithium BatteryCharging Voltage: DC 5VFrequency: 80Hz-18kHzPower Output: 5WSize: 20x8.2x5.5cmPlayer Format: MP3¡¢ WMA¡¢ WAV¡¢ FLAC¡¢ APESensitivity: 80dBDesign: PortableFunctions: FM RadioInterface: Micro USB¡¢ 3.5mm Audio¡¢ TF Card Slot¡¢ USBWorking Time: 3-5 hoursSpeaker: caliber 52mm 4ohm 5WFrequency Range: 87.5-108MhzSpecifications of S