Features 1.HIFI SOUND: Bluetooth headphone provides HiFi sound quality, allowing you to listen to every detail, provides a clear and lifelike sound experience, for a better music experience. 2.THICK BASS: The wireless headphone has built in powerful bass diaphragm, which provides deep and thick bass effect, allowing you to feel the strong charm of music. 3.MULTI FUNCTION: Multi function wireless headset supports hands free calling and sound assistant to keep communicate open and make life easier. 4.LIGHTWEIGHT AND COMFORTABLE: This bluetooth headset features a lightweight design and soft ear cups, no fatigue even after long time wearing. 5.BUILT IN MIC: The headset's built in HD sound quality microphone allows for a premium call experience, making your calls smoother and easier to contact friends, family and more. specificationItem Type: BT Headphone Material: ABS Product Size: Approx. 22 x 21 x 5cm / 8.7 x 8.3 x 2in Color: White Battery Type: Lithium Battery Battery Capacity: 150mah Battery Model: 402030 Shipped with Built in Battery, Not with Memory Card Shipping PackageList1 x BT Headphone 1 x Data Cable 1 x Instruction Manual NoteManual measurement, please allow some errors.