Features:1. Bluetooth 4.0 Technology-Powerful connection range can be up to 10 meters in open are， and it is compatible with most Bluetooth-enabled devices.<br />2. Support TF Card-Support TF card up to 32GB， yuo can listen to your favorite music in your TF card freely.<br />3. Aux Input-You can connect the speaker with your computer/iPhone/iPad via the 3.5mm audio cable to make it as a ordinary speaker.<br />4. Build-in Dual Band Noise cancelling Microphones-Built-in microphone for hands-free phone calls and one key to answer/hang on phone calls.<br />5. 1000mAh Rechargeable Battery-It can work for about 6-8 hours after fully charged for about 1-2 hours.<br />6. Voice Prompt-Let you know the status of Bluetooth Speaker， and supports all kinds of music APP.<br />Specifications:General Specification  Brand  KELING  Model  A5  Color  Black， Silver， Gold， Pink  Net Weight  276g  Dimensions  89 x 89 x 29 mmTechnical Parameters  Microphone  Yes  Bluetooth Version  V4.0  Transmission Distance  10M  Charging Power  USB 5V 600mA  SNR  95dB  Output  4&amp;Omega; 3W  Frequency Response  80-18KHz  Battery Capacity  1000mAh  Play Time    6-8 Hours  TF Card  Support Max 32G (Not Included)  Compatible System  Android， iOS， WindowsPackage  Included:  1 x Speaker  1 x USB Cable  1 x AUX Cable  1 x Manual<br />More details:<br /><br />