● Imported Bluetooth chip, faster connection, transmits stable signal in high speed, the effective distance up to 10m ● Ultrathin design, lightweight, easy to store and carry around, suitable for work and study outside and go travel ● ABS plastic button, splashproof design, matte surface, provide you a excellent sense of using ● Enjoy anytime and anywhere ● Get the best fit comfortable to wear ● Metallic texture, CNC diamond cutting technique ● Ergonomic design, simple and light ● Adopt strongly compatible 3.5mm gold-plated plug to decrease the signal distortion. Minimize signal distortion, ensure the authenticity and stability of audio transmissions Speaker size: 9mm Impedance: 16Ω + 15% Sensitivity: 92dB ± 4dB (SPL at 1000Hz 1mw) Frequency effect: 20-20000Hz Normal input power: 1mW (0.126v) Maximum output power: 2mW (0.22v) Line length: 1200mm ± 50mm Brand Remax SKU 100468508_NP-1020758614 Model rm-585