Description: 1[ Stable Wireless Connection ] -- Bluetooth 5.0 provides quicker, more stable and wider compatibility with iOS and Android smart phones, tablets, laptops, and MP3 players. 2[ Long Battery Life ] -- With 150 mAh powerful battery, up to 8hours continuous talking time, 13 hours music time, 240 standby time and only needs around 2 hours to full charged. 3[ HD & Stereo Sound ] -- With built-in noise-canceling microphones and HiFi bass,enjoy wireless mobile calls and music while driving, running and working. 4[ Neckband & Sweat Proof ] -- With neckband design,provide extra Flexibility, Portability, and Durability when exercising. No falling off,No pain from long time using. IPX waterproof,ideal for exercise. 5[ Magnetic absorption ] -- Magnetic absorption, refuse to twist. Specifications: Bluetooth version: 5.0 Standby Time : 240 hours Music Time: 13 hours Call Time: 8 hours Charging Time: 1 hour Frequency Range: 20Hz-20kHz Transmission Distance: Max 33ft/10m Cord Length: 23.6in Battery Capacity: 150mAh Package Included: 1 x Wireless Headphones 1 x USB Charging Cable 1 x User Manual