Features: brand new and high quality Lightningto fast charge, 300 mAh large polymer lithium battery, with 5.0 upgraded version of lowtopower chip, 70 days of long standby, 36 hours of continuous listening to music, and 42 hours of talking. The new hightopower fast charge with a conversion rate of up to 98 percent is used for faster charging, and the headset can quickly be fully resurrected when the headset is out of power. After debugging by a professional tuner, with HiFitolevel hardware, high, middle and low threetoband equalization, hightoquality sound effects are achieved, regardless of vocal or music playback, the effect is very good. It has passed the lifetolevel waterproof and nanotolevel sweattoproof test, and supports outdoor activities in rainy and rainy days without hindering the sweat of the gym. Using the international dedicated chip CSR PLC, strong and stable performance, while realizing hightospeed flash charging, it also ensures low power consumption and makes the battery more durable. Specifications: Function: voice prompt, battery display, call function, voice control, support music, multitopoint connection Bluetoothtocompatible Protocol: 5.0 Channel: Stereo Usage: Hanging Ear Type Material:ABS Size:As Picture Shown Color:Black or Gold or Rose Gold or White Note: 1.Please allow 1to2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Wireless Earphone 1x Ear Hook 1x Vice Headphone Cable 1x USB Charging Cable 1x Introduction Manual