Check the listing for details. True Wireless Bone Conduction Headphones Bluetooth 5.4 Wireless Headset Earbuds. Color: Black, Condition: New. Listed at 26.97 USD. Features: 1. Composite diaphragm speaker, high definition communication 2. Soft memory rubber anti-slip design, fits ears comfortably and stably 3. Built-in hinge, easy to rotate 180°, can be worn on left and right ears 4. Equipped with a high-power battery, you can run two full marathons in a row while the battery remains online. 5. 360-degree stereo speakers, achieving innovative air transmission technology 6. New Bluetooth-compatible 5.4 module technology, strong anti-interference ability, fast and stable transmission without dropping 7. Dust-proof and splash-proof, you can accompany you during exercise without worrying about sweat splashing. 8. Type C charging method upgrade, no longer need long waiting time Specifications: Product Name: F22 Sports Bluetooth-compatible Wireless Headphones Bluetooth-compatible: V5.4 Transmission distance: 10-20M Battery capacity: 200mAh Working time: 8-10 hours (depends on volume) Product size: 6.2*5.3*1.1cm Standby time: 200 hours Transmission distance: 10 meters Charging voltage/current: 5V/1A Charging time: about 2 hours Standby time: 200 hours Speaker impedance: φ 16MM 32 &; Sensitivity: -42Db Earphone weight: 13G Color: black, orange Plastic material Package content 1 earphone single1 Type-C charging cable1 user manual BEST CUSTOMER SERVICE ON OUR EBAY STORE↓ ↓ ↓〓SHIP From US Local Stock〓FAST & Free, 1-3 Days Arrival〓FREE Return, Seller Pay!!〓LIFETIME Money Back Guarantee〓LIFETIME Free Replacement Guarantee〓LIFETIME Warranty〓QUICKLY Reply within 24 Working Hours〓 MOST orders ship within 1 business day with Tracking Number〓 ANY PROBLEM please email us before feedback, thanks! FREE SAME DAY SHIPPING 🚀FAST 1-3 DAY DELIVERY 🚚Limited quantity!100% Satisfaction Guaranteed