Digital Wireless Bluetooth Sweat Proof Headset Neck Hanging Sports Super Long Mobile Phone Universal Features: The double loops are clear, transparent and powerful. The double loops produce sound at medium and low frequencies. The is thick and powerful, increasing the number of on the seismic membrane and reducing distortion. New Bluetooth V5.2, noise reduction technology, coil medium and low frequency sound, clear high tone, increase the number of on the seismic film, reduce distortion. clear sound quality: In the face of noisy environment, choose the way that suits you, and find the sound quality with your picky ears. and sweat proof: full protection design, no fear of sweating during strenuous exercise, run heartily and listen . Minimal operation: easy to control with hand, just move your finger, and you can control music calls. Natural absorption: humanized magnetic absorption design, the of the earplug is mutually adsorbed by magnetic absorption technology, which is easy to operate and can be hung on the neck to loss. Product Description: Parameters: Product name: Collar Bluetooth headset Bluetooth version: V5.2 Bluetooth receiving distance: 15m Battery capacity: 500mAh Standby time: 180 hours Playback duration: 39 hours Voice prompt: Supported Horn diameter: 10mm contain: 1x headset