MOSTOP&reg; Hairband Bluetooth Stereo Wireless and Wired A2DP Headphones Headband with Microphone Elegant, luxurious and sleek design. Crisp clear and high volume sound with exceptional Bass. Multipoint-Supports two mobile phones Voice Guidance- guide you through using this headset. Can be used wired or wireless, Adjustable band to fit multiple head sizes, Folds for compact Storage. Up to 8 hours of talk time Up to 65 hours of standby. Stretchable and Foldable Headband. Built-in Microphone and Speaker.