??B1 Multifunctional Wireless Bluetooth Speaker with Mic LED Display Support Hands-free Answer Phone FM Radio TF Card (White)<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. Hidden LED display working status. <br>7. Supports Bluetooth hands-free calling and call-back function. <br>8. The dual speakers¡¢ large diaphragm¡¢ (5W * 2 amplifier IC¡¢ superior sound quality. <br>9. High-capacity detachable battery: 2000mAh enough to allow you to enjoy your music in the ocean.<br><br>Transmission distance: W/O obstacles 15mModel: B1Material: ABSCharging Current: 1000mAhPower Source: USB¡¢ BatteryConnection: BluetoothWorking Voltage: 3.5-4.2VBluetooth Version: V2.1Supports: Microphone¡¢ Bluetooth¡¢ TF Card Music Playing¡¢ HandsfreeCharging Time: 2-3 hoursWeight: 571gBattery Capacity: 2000mAhSNR: >=90dbPackage Contents: 1 x Speaker¡¢ 1 x User Manual¡¢ 1 x USB cable¡¢ 1 x AUX CableBattery Types: Lithium BatteryCharging Voltage: DC 5VFrequency: 80Hz-18kHzPower Output: 3.5W x 2Size: 19.5x70.5x65cmPlayer Format: MP3¡¢ WMA¡¢ WAV¡¢ FLAC¡¢ APESensitivity: 80dBDesign: PortableFunctions: FM RadioInterface: TF Card Slot¡¢ 3.5mm Audio¡¢ Micro USB¡¢ USBWo