With intelligent noise reduction technology, this earphone can achieve HIFI sound to help you better enjoy music. IP68 waterproof rating enables this earphone to allow you to use securely without worrying water and sweat.What this earphone can offer you is bone conduction design, which can efficiently reduce the harm to eardrum and bring you comfortable wearing experience.Using high-quality ABS material, this product is lightweight and durable to use.The length of the product is 14cm, the width is 9cm, and the height is 4cm.It is suitable for all Bluetooth-compatible devices such as mobile phones, tablets and so on. 32G memory space enables this earphone to allow you to enjoy music without carrying mobile phone.Item Name: Wireless EarphoneMaterial: ABSBluetooth-compatible Name: Y9Transmission Distance: 10 MetersBattery Capacity: Built-in 300mAh Rechargeable Battery (Included)Charging Voltage: 5V 500mASupport Music Format: MP3, WMA, WAV, APE, FLACTemperature Range: -40 to +70 degrees CelsiusWaterproof Grade: IP68Storage Capacity: 32GBBluetooth-compatible Version: 5.0Support Bluetooth-compatible Protocol: AVRCP1.4, A2DP1.2, HFP1.6, HSP1.2Microphone Sensitivity: -37dBFeatures: Clear Sound, Waterproof, Noise ReductionSize Details: 14cm x 9cm x 4cm/5.51" x 3.54" x 1.57" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Bluetooth-compatible Headphone1 x USB Cable1 x User Manual