Product name: Bone conduction Bluetooth headset Product color: black/white Wearing method: ear hanging type Features: 1. Sports black technology that is not in the ear and more comfortable, newly upgraded digital display of power 2. It is stable and does not fall off, allowing you to exercise freely. Optimize the weight distribution of the earphones. No need to worry about the earphones falling or shaking. 3. Strong battery life: 15 hours of talk time. The new generation battery life upgrade. It can last for 8 hours when fully charged. It saves worry and effort. 4. The connection is more stable and the call is clearer. The new generation Bluetooth chip can connect in one second, making listening to songs and calls more stable. The algorithm intelligently recognizes and filters ambient sounds, making personnel affairs clearer . 5. HIFI sound quality 14.8MM large speaker, flagship super linear speaker vibrator covers low frequency, medium frequency and high frequency and is fully strengthened 6. No need to wear it in the ear, painless, lightweight body, skin-friendly silicone, giving you wireless comfort from the inside to the outside without restraint 7. Compatible with multiple devices and can be connected with Bluetooth. Whether it is a mobile phone, tablet, computer or other devices, as long as the device supports Bluetooth function, it can be easily connected. 8. Bluetooth/MP3 dual-mode large memory, comes with a large memory card to store songs, switch to MP3 mode to get rid of the constraints of mobile phones, and exercise more easily 9. The ever-twisting frame, memory titanium alloy frame, can be twisted arbitrarily according to the shape of different head sizes, with endless twists and turns. Product gross weight: 66g Package includes: Bone conduction Bluetooth headset*1