Features: Equipped with bluetooth-compatible 5.0 technology for stable and fast signal transmission, enabling you enjoy music and gameing without delay or latency. Equipped with large capacity battery of 300 mAH for long duration and freeing you from frequent charging. Equipped with noise cancellation technology for smooth hand-free communication. Highly for various devices such as PC, cellphone, laptop and pad etc. brand new and high quality Equipped with compound Graphene diaphragm and 6 mm driver for achieving Hifi sound effect. Specifications: Material: Plastic Driver Diameter: 6 mm/0.23 inches Approx. Transmission Range: 10m/32.80 ft Approx. Bluetooth-Compatible: 5.0 Color: Black/Blue/Green Earbuds Earbuds Charging Current: 32mA Earbuds Charging Input Parameters: 5V 100mA (+/-5%) Earbuds Working Current: 14mA Earbuds Shutdown Current: 10uA Earbuds Standby Current (Connected State): 3.4mA Earbuds Standby for Time (Connected State): About 16 Hours Full Charging Battery Voltage: 4.2V~4.25v Charging Box Capacity 300 mAh Charging for Time Limit: About 4 Hours Shutdown Current: Less Than 100ua Working Current: 150mA (Earbuds Charging) Charging Current Of The Charging Box: Less Than 300 mA Fully Charged Current: Less Than 30mA Input Parameter 5V 1000mA Headphone Output Parameters: 5V 150 mA Standby Time: More Than 3 Months Charging Indication: Indicated in Percentage Full Charging Indication: 100% is Indicated Charging Input Interface: Type-C USB Female Socket Charging Output Interface (Earbuds): Contact Type Charging Input Voltage: 5.0V Charging Output Voltage: for DC 4.7V~5.3V Full Battery Voltage: for DC 4.2V~4.25V Note: Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement. Package includes: 1 Set of Earbuds