Features:The newest multifunctional headset is the upgraded version of NX8252 Bluetooth headset.4 in 1 Multifunctional stereo Bluetooth Headphone: Wireless Stereo Bluetooth + Card MP3 player + FM Radio + Wired Headset function.3.5mm audio jack， provides a simple wired connection of a variety of music players (Such as， MP3 / MP4， etc) without Bluetooth function.Easy to pair with almost any Bluetooth-enabled audio / music players devices， such as， Smart Phones， Tablet PC， Laptop， NoteBook， etc.DSP noise cancellation， bring you clear sound effect. Be designed with two High-grade speaker and has built-in Mic，， powerful bass system， bring you superior sound effect. Best choice for listening to music / FM Radio， watching movie， chatting online， etc.Supports hands-free function， conveniently answer the incoming call during travel. Low power consumption， bring you 8 hours of talking time， 8 hours of music playing time and 120 hours of standby time.High-quality， foldable design and adjustable headband length， very comfortable to wear and easy to carry.With built-in high-quality rechargeable Li-ion Battery， and easily charged by the included USB cable via computer， etc.Specification:Brand Name : AndoerModel Number : LH-811Type : Stereo headphone with MicBluetooth version : ISSC3.0 + EDRSupport Profiles : HSP， HFP， A2DP， AVRCPOperation Distance : 10mTransmitting Power : Class 2Frequency Range : 2.4026 GHz - 2.480 GHzResistance : 32ohmSensitivity : 105dB+ / - 3dBRechargeable lithium battery : 300mAhTalking Time : 8 hoursMusic Playing Time : 10 hoursStandby Time : 120 hoursCharge Time : 2-3 hoursPlug Type : 3.5mmAudio cable length : 1.2m / 3.94ftEarmuff Diameter : 7.5cm / 3.1 inchMain item size (Foldable) : 8.5 * 16.0 * 7.5cm / 7.28 * 6.29 * 2.95 inchItem weight : 163gPackage Included: 1 x Andoer LH-811 Bluetooth 3.0 Headphone1 x USB Cable1 x Audio cable1 x English User Manual