Wireless Bluetooth Headsets, Bodecin Skin Friendly Leather 3D Sound Sport Bluetooth 4.0 Headphones for iPhone/Android Build in Mic Support TF Card with USB Charging Cable(Black+Yellow-MX666) Material:Environmental ABS, Weight:440g, Skin friendly leather earmuffs, Soft over-ear pads, no stress to our ears, Breathable material, suitable for wearing for a long time High precision 40mm magnetic neodymium driver, Provide you with vivid sound field/sound clarity, splendid ambient noise isolation function, High quality stereo surround sound, Apply CVC 6.0 noise cancellation, Creat a no noise environment Connect the headset to phone/bluetooth enabled devices by bluetooth function(the detail usage could refer to user manual), Support bluetooth 4.0, Get a perfect audio, Much stronger signal, The max transmission distance is up to 15m, Suitable for iPhone, iPad, Android, and other bluetooth enabled digital players Powered by rechargeable li-ion battery(300mAh), Play music time could last 8H, Conversation time could last 6-7H, Stand by time could last 180H, Charging by USB cable(Include), Voltage: 5v, Could charge using phone chargers/PC Build in Mic, could answer calls, free you hand, Equipped with 3.5mm audio port, could connect the external devices, Support TF card, compatible with MP3/WMA/WAV formats Compatible with 16GB TF card, iPhone, iTouch, iPad media player etc. Comfortable wearing experience: With soft breathable leather ear cups, freely- stretching length and humanization design,you can wear the item for a long time with comfort. After 40mm premium rare-earth repetitive adjustments, the item brings you excellent stereo experience with low frequency voice and high frequency voice. Also, equipped with a strong 80MHZ intelligent operation, the item can help you meet your different needs, such as music playing, phone talking with a exploitative on-the-spot effect. With the great 300mah capacity battery, the item can give you explosive constant experience of 4-hours music playing, 12-hours phone talking, 100-hours standby time while only 2 hours needs being fully charged. Adopting the newly advanced Bluetooth technology, the transmitting speed can as fast as 2.4mbits/s, besides EDR support function can make the data transmitting speed become faster, which makes your devices connected instantly. The item can connect two devices with Bluetooth functions such as Android, iOS, Windows at the same time.