I am an Chinese seller,providing customers with high-quality and low-cost products. The types of products we sell include Home & Kitchen,Health & Beauty,Fashion Clothing,Electronics,Watches & Jewelry,and so on. We keep up with the most popular fashion trends. If you like our products, please follow us and become our followers and fans. Sincerely at your service .Thank you for shopping and have a nice day.Description:The strong signals and high-speed transmission can be realized by Bluetooth-compatible 5.2 version.This bone conduction earphone can efficiently reduce the harm to eardrum and bring you comfortable wearing experience.It is made of good quality ABS material, durable to use. Built-in sponge silencing layer lets you listen to music as if a band is playing in your ears.The length of this product is 15cm, the width is 10cm and the height is 3.5cm. Electroplating buttons, matte body provides advanced and simple look.It is suitable for running, sports, fitness, music, video call, etc. The memory titanium alloy frame can be arbitrarily twisted according to different head sizes.Item Name: EarphoneMaterial: ABSColor: Black, Blue, Red, GreenModel: M-D8Bluetooth-compatible Version: 5.2Bluetooth-compatible Protocol: HFP, HSP, A2DP, AVRCPTransmission Distance: 10mBattery Capacity (Headphones): 50mAh (Included)Music Playing Time: 7-8HTalk Time: 7-8HCharging Time: 2HSpeaker: 0810mm (Unconventional Speaker)Features: Comfortable Wearing, Fast Speed, Stable TransmissionSize Details: 15cm x 10cm x 3.5cm/5.91" x 3.94" x 1.38" (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 Earphone1 x Data Cable1 x User Manual1 x Hook