Designed for a more comfortable fit Innovative heart, Comfortable to wear. Long battery life/Heart - shaped design/Sleep Comfortably Wireless 5.4: Sleeping on your side doesn't on your ears, Close - to - ear design, cloud - like wear; HiFi sound quality surround sound. A experience to wear: Hidden wear, close to the ear canal, no matter how large the ampli - tude is, it still fits steadily! The sound quality has been upgraded, Bass upgrade: Acoustic algorithm & component double upgrade, Restore rich bass. performance optimizations, Equipped with the newly upgraded wireless 5,4 version, which is higher, faster and more stable than headphone version on the market, bringing smooth and silky music enjoyment. High - speed wireless 5.4: Wears it senselessly, unexpectedly fast. The anti - interference ability is enhanced, and the connection is more stable. Instant feedback for viewing with lower latency. Color:Black Material:ABS+PC Package Contents: 1 * Bluetooth headset 1 * charging cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.