The REMAX RB-200HB Stereo Wireless Bluetooth Headphone is a premium audio device offering a range of impressive specifications. With a driver diameter of 40mm, it delivers powerful and immersive sound. The headphone's frequency response spans from 20Hz to 20kHz, ensuring a wide range of audio detail. It has an impedance of 32Ω and a sensitivity of 110±5db SPL, providing clear and dynamic sound reproduction. The headphone's rated input power is 10mW. Featuring a 3.5mm plug, the REMAX RB-200HB headphone offers versatile connectivity options. It comes with a 1.2-meter cord length for convenience. The available color options include Khaki, Black Brown, and Grey Blue. Designed as a comfortable headset, it offers a pleasant wearing experience. The product weighs approximately 160g, ensuring lightweight and easy portability. With Bluetooth version 4.1, the headphone provides reliable wireless connectivity with a transmission distance of 10 meters. Its output power is 10mW, and the receive sensitivity is 110+/-5dB. The distortion level is kept minimal, ≤1% at 1kHz, ensuring high-quality audio reproduction. The built-in 300mAh lithium battery can be fully charged in 2.5 hours, providing a generous 10 hours of working time. With a standby time of 30 days, the REMAX RB-200HB headphone offers long-lasting battery life. Whether for casual listening or extended use, these wireless Bluetooth headphones are an excellent choice for music enthusiasts and audio lovers.