Feature: 1. HiFi Lossless Sound: Bluetooth earphones deliver true deep bass and true HiFi lossless sound with ENC noise reduction, providing you with truly immersive sound. 2. Stable Performance: wireless earbuds use advanced Bluetooth technology to maintain stable signal transmission, stable Bluetooth connection, and low latency, providing you with uninterrupted calls and ANC music listening experience. 3. Comfortable Wearing: wireless earbuds are made of silicone ear covers for a non sensitive wearing experience and are designed to fit the contours of your ears for a comfortable wearing experience. 4. LED Display: The bluetooth earphones' LED numbers accurately and clearly display the remaining power of the charging compartment, and the power of the left and right earphones are also clearly displayed to freely grasp the time. 5. Long Endurance: wireless earphones with low power consumption chip, with a large capacity lithium battery, a full charge can be used continuously for 5 hours, with the charging compartment to last 20 hours. Specification: Item Type: Wireless Earbuds Material: Plastic Battery Type: Lithium Battery Headset Battery Capacity: 30mAh Rechargeable Compartment Battery Capacity: 200mAh Note: Shipped with Built In Battery Size: Approx. 5x4x3cm / 2.0x1.6x1.2in. Package List: 2 x Wireless Earbuds1 x Charging Compartment1 x USB Data Cable1 x Instruction Manual Note: Manual measurement, please allow slight error