Features:1: Comfortable Wearing: Soft leather ear pads suitable for long-time wearing. Suitable for sports and outdoor， good companion when you are wandering， in kitchen， readingm fishing， bicycle riding.2: Adjustable headsets design， you can adjust the headphone to the proper length for your head to wear. Also， the headphone will be on the ear tightly and comfortably， there��s no need to worry it will be loosen and dropped. 3: Robust deep bass stereo， high quality bass processing. Tens of millions of customers prove a clear balance of sound quality.4: 5 In 1 Function: Bluetooth music receiver/ Micro TF player/FM stereo radio/Bluetooth talk/3.5mm Headphones(MIC). Instant music sharing with 3.5mm cables(Cable is not included).5: Colorful LED lights flash as the ryhthm of the music ups and downs at the two-side enclosure. 6: Built-in mic and rechargeable battrey for 3-4 hours�� playtime. 7 days standby time. 2 hours standard charge time. 7: Compatible with devices enabled bluetooth music players， such as iPad， iPhone， iPod touch， tablets， most smartphones， etc. Specifications:Color: BlackWireless Range: 33ftBluetooth Version: Bluetooth V3.0Driver Diameter: 40mmImpedance: 32ohmSensitivity: 105 dB(��3dB)Frequency Response: 20HZ-20KHZStandard charge time:Approx. 2 hoursBattery PlayTime: 3-4 Hours by one time full chargeAudio Port: 3.5mm JackPackage includes:1 x EXCELVAN bluetooth headset1 x USB cable 1 x Instructions manual