MD04 Wireless Headphones Bone Conduction Neckband ABS Bluetooth-compatible5.0 No Delay Sports Ear Hook Earphones for Cycling Description: Adopting ergonomic ear hook design, the earphone does not fall during exercise and gives you more comfortable wearing experience. Owing to intelligent noise reduction technology, this earphone can filter noise to make you hear clearly even in the noisy environment. It is made of high-quality ABS material, which is lightweight and comfortable. The length of this product is 17cm, the width is 10cm and the height is 1cm. Bone conduction earphone will not damage the eardrum, making it safer to use. And it is suitable for running, cycling, fitness, walking, climbing and driving. Item Name: Earphone Material: ABS Product Model: MD04 Headphone Type: Open Wireless Headset Bluetooth-compatible Version: 5.0+BR+EDR+BLE Specification Frequency Range: 20Hz-20kHz Connection Range: ≤10 meters Microphone Sensitivity: -42d8 Battery Capacity: 180mAh (Included) Play Time: about 14 Hours (80% Volume) Talk Time: about 48 Hours Standby Time: about 200 Hours Charging Time: about 30 Minutes Charging Voltage: DCBW Features: Bone Conduction, Wireless, Neckband Size Details: 17cm x 10cm x 1cm/6.69" x 3.94" x 0.39" (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 Earphone 1 x Charging Cable 1 x User Manual