Feature:1. Bluetooth Function: The ear hook Bluetooth headphone adpots Bluetooth 5.2 chip for more stable transmission, easier connection to listen to music and talk more freely.2. High Definition Calls: HD calls such as face to face meetings, intelligent noise reduction, precise computing environment automatically filter external noise.3. Superior Sound Quality: HiFi sound quality strong composite dynamic diaphragm, start the moment, the sound waves like waves response, listen to the sounds of nature.4. Lower Consumption: The 240 mA polymer lithium battery is equipped with Bluetooth Smart 5.2 chip to reduce power consumption by 70 percent, thus eliminating frequent charging problems.5. Ear Hook Headphone: The Bluetooth headphones have an ergonomic ear hook design. Business headphones, perfect for work communication and driving.How to Use:Pair with Bluetooth to use.Specification:Item Type: Blutooth HeadphoneMaterial: ABSMode: F18Bluetooth Version: V5.2Transmission Distance: 10m/32.8ftFrequency Response Range: 20Hz-20KHzTransmission Power: Class 2Waterproof Grade: IPX5Charging Voltage: 5VBattery: 240mAh Lithium Battery (Built In) Package List:1 x Blutooth Headphone2 x Replace Ear Cap 1 x Charging Data Cable