Portable Wireless Bluetooth Speaker Support TF Card Hands Free Phone Call For Tablet

 Features: -Supports USB disk, TF card (MP3 format) AUX input playing.-Compatible with various devices of Android, iOS and Windows system.-Hands-free phone call. Use instructions:1.Long press the power button till the blue indicator flashes to turn on the speaker, and it will automatically enter into bluetooth mode;2.Turn on the bluetooth on your device, select the speaker "HS-BT998" and make it connected.  The blue indicator will constantly on. Note:-The color of the item may vary slightly due to photography and different PC monitor, and the size might be slightly errored due to manual measurement.  Your kindly understanding would be appreciated. Specifications:Name: Bluetooth HeadphoneModel: HS-BT998Material: Plastic + FabricColor: GreySize: 210x91x134mm/8.2"x3.6"x5.3"Power supply: Built-in 3.7V 4000mAH Li-batteryCharge time: 4-5hPlaying time: 10-12hInput power: DC5V 2AOutput: 5W x 2 Bluetooth version: 4.0Bluetooth effective range: About 10mPackage includes: 1 x Speaker 1 x Audio cable 1 x Micro USB cable 1 x Manual