Specifications: Technology: Bluetooth version 5.1 technology Wireless Headphones makes sure that the transmission process is fidelity, allowing you to enjoy the original music experience. Functions: Wireless Headphones with wheat, support for mobile phone calls. Anti-noise microphones allow you to enjoy quiet calls even in noisy environments. Comfortable: Wireless Headphones has great leather head beam, more comfortable to wear. The Wireless Headphones telescopic design is suitable for a variety of head shapes. The capacity of the charging compartment is 1200mAh, the earphone is charged for 1-2 hours, the single ear can last for 3-4 hours, and the cumulative battery life is 150 hours. Type-C charging port Package includes: 1 x Earphone Note: 1. Please allow 1-2cm errors due to manual measurement. 2.Because of the different display of each computer, the pictures may not reflect the actual color of the item. 3.If you have any questions, do not hesitate to contact us. Wish you a wonderful online shopping