|Sensitivity||112±3dB at 1KHz;1mW|
|Connectivity||Wireless Bluetooth Version：V4.1|
|Manufacturing Warranty||01 year warranty|
|Noise ratio||Play time: Up to 11H Talk time: Up to 10H Charging time: About 2H Standby time: Up to 200H|
Innovative technology: Adopts V4.1, fully compatible with Bluetooth-enabled devices, high-speed wireless data transmission,high anti-interference capability,up to 10m working range.Novel appearance, simple design but fashionable, zinc alloy ornament.Ergonomic design: The adjustable sturdy and soft headband and Aluminum Scalable design, can suit difference head shape.Double 40mm dynamic speaker guarantees high fidelity and Stereo CD sound effect; Perfectly meets different needs of music enjoyment.High-precision manufacturing process: Frosted earmuff housing covered with a thin Smooth reflective metal ring, is firm more Luxurious.