Product Size: 16.2 * 10.7 * 5.7 cm Color: black, white Material: ABS Package content: 1*Bluetooth headset massager 1.Massage while enjoying music: With this Bluetooth Earphone, not only you can listen to music, but also Massage your neck. The smooth silicone skin-friendly structure emphasizes ergonomics,Suitable for daily neck maintenance. 2.3 Massage Modes: There are 3 modes, acupuncture mode, detonation mode, massage mode,and 15 gears intensity adjustment, It can meet your different massage needs.107.6F thermostatic heat let you feel comfortable like using hot compress with a warm towel. 3.Lightweight Comfortable Fit: Decent lightweight soft skin-like nature material and ergonomic neckband design allows you to wear this bluetooth headphones on your neck more comfortably for long time and decrease the pressure from your ears. 4.Bluetooth 5.0 Earphones: It offer faster pairing,more stable wireless connection and wider compatibility with Bluetooth enabled cell phones, tablets, computers, Smart watches and smart speakers etc. 5.Portable and Foldable :Say goodbye to bulky massager.more secure and portable, This 2 in1 Bluetooth headset neck massager weighs only 0.35 lb and has700 mA built-in battery,Music time about 20 Hours,Let you enjoy neck massage and wonderful music time.Suitable for multiple scenarios.Like office,home,or on your Travelling and more