TWS BT5.0 Headset HIFI Sound Quality Wireless Earphone Multi-function Button Waterproof Portable Headphones with Large Capacity Black

TWS BT5.0 Headset HIFI Sound Quality Wireless Earphone Multi-function Button Waterproof Portable Headphones with Large Capacity Black Automatic & Quick Pairing.Upgrade BT 5.1 technology offers automatic boot pairing,and make BT connection faster and more stable. Superior Sound Quality.HIFI sound quality and wireless noise reduction let you enjoy shock bass and surging sound effect. One Key Easy Operation.Adopt one-button blind press design, avoid poor touch-control,and make it easier and simple to operate. Comfortable Wearing Experience. Made of soft and skin-friendly material with ergonomic design,it can avoid swelling and pain, quite comfortable to wear. Convenient Multi-function Button.Enjoy easy call answering,call hang up, call rejection and music control with multi-function button. With upgrade BT 5.1 technology,this headphone provides automatic boot pairing as well as fast and stable connection.You can enjoy HIFI sound quality and comfortable wearing experience with ergonomic design.Multi-function button and waterproof function offer you the most convenient and clearest usage experience.Large battery capacity gives you enough time for entertainment and you can know the battery power anytime and anywhere through the digital intelligent display.You will love it. Features: Automatic & Quick Pairing.Upgrade BT 5.1 technology offers automatic boot pairing,and make BT connection faster and more stable.  Superior Sound Quality.HIFI sound quality and wireless noise reduction let you enjoy shock bass and surging sound effect. One Key Easy Operation.Adopt one-button blind press design, avoid poor touch-control,and make it easier and simple to operate. Comfortable Wearing Experience. Made of soft and skin-friendly material with ergonomic design,it can avoid swelling and pain, quite comfortable to wear. Convenient Multi-function Button.Enjoy easy call answering,call hang up, call rejection and music control with multi-function button. Waterproof & Sweat-proof.No worry about getting wet or damage while dealing with water activities. LED-digital Intelligent Display.Equipped with digital intelligent display, it can provide real-time battery power display. High-capacity Battery.With large battery capacity,you can enjoy 40-hour standby time,5-hour call time and 4-hour play time after a full charge. Specifications: Model:Air-E7S Material: ABS Color: Black BT Version: BT 5.1 Battery Type:Polymer Lithium Battery Headset Battery:3.7V/40mAh Charging Box Battery:3.7V/300mAh Headphone Charging Time:About 1 hours Charging Box Charging Time:About 1.5 hours Call Time:About 5 hours Play Time:Abut 4 hours Headphone Standby Time:About 40 hours Transmission Distance:About 10 meters Audio Frequency Response Range：20Hz-20KHz Bluetooth Protocol:HFP/A2DP/HSP/AVRCP Charging Box to charge the headset:single earphone about 6 times Package Size：12.2*8.2*3.2cm/4.8*3.2*1.3in Package Weight: 66g/2.3oz Note: Charge in a safe environment.When charging the charging box, please charge the charging box separately from the USB charging cable as soon as the charging indicator indicates full power,so as to avoid damage to the charging box after a long time of charging. When playing music,please adjust the music to the appropriate volume to avoid hearing damage at high volume for a long time. Try to avoid using the headset in a place with interference sources, otherwise it may affect the headphone signal. Try to avoid using this headset in a corrosive environment to avoid affecting the function of the headset. Package List: 1*BT earphone 1*Charging Box 1*Charging Cable 1*Earplug Silicone Cap 1*User Manual