Features: 1.With this bluetooth headband, you can listen to music, receive calls and keep your head and ears warm when in cold weather. Speakers can be taken off so that you can wash the headband 2.It will also help absorb sweat, so the sweat doesn't run into your eyes. 3. Enjoy music during exercise Do you still use a mp3 player or slippery wireless headset during exercise? Throw them away! Take this bluetooth 3.0 headband, It's soft and no need put earplugs in your ear, make your ears free! Your ears will feel painful if wearing a headset with earplugs for a long time, but with this headband, you have no need to worry about it. Built-in MIC, we have test it, it's very clear when in a call. 4. Enjoy music when in sleep Do you like to listen music before sleeping? Do you have troubles that the earplug is too hard and it will squeezes you ear? You even can't lie on your side because the earphones will fall down! With this bluetooth headband, you can enjoy the music without scruple and you will feel soft and comfortable! Specifications: Material:Knitted fabrics Color:black/grey Weight: 67g Size: 19.5x7.5cm/23x9.5cm Built-in MIC, very clear voice Music format: MP3, WMA, FLAC, APE etc Work Range: 10m/32.8ft Working Time: Up to 3.5 Hours Charging Time: About 2 Hours Standby Time: About 6-8 Hours Battery: 180mAh lithium battery 95 Decibel Removable Headphones Bluetooth: V3.0 + EDR, compatible with any bluetooth device, such as iPhone 4, 4S, 5, 5S, 5C, 6, 6 plus, 6s, 6s Plus; Samsung galaxy series, iPad, HTC, LG etc Compatible down with bluetooth V2.0/1.2/1.1 cellphone/tablet, upward compatible with bluetooth 4.0 cellphone/tablet Functions: 1. Can be connected with two cellphones/tables at the same time. 2. Volume control, previous/next song. 3. Receive/Refuse calls. 4. Recall the last number you called before. Package Content: 1 x Bluetooth Headband 1 x USB Charge Cable 1 x Manual