RetroTecNoise Reducing Wireless Headphones

About

Your Sound, Your Style

Step into a world of superior audio with the Bluetooth Headphone ST855. Featuring Intelligent Noise Reduction, these headphones provide an immersive listening experience. The Pure Sound quality and Lightweight Design ensure comfort and clarity wherever you go.

Product Features

• Intelligent Noise Reduction: Minimize ambient noise for uninterrupted listening.
• Pure Sound Quality: Enjoy high-definition audio clarity.
• Lightweight and Comfortable: Designed for extended use without discomfort.

Product Specifications

• Supported Profiles: A2DP, AVRCP, MP3, WMA, WAV
• Wearing Method: Head-mounted
• Operating Range: About 10 meters
• Battery Type: Polymer battery
• Battery Life:
• Music Playtime (60% volume): About 6-7 hours
• Phone Calls: About 6-7 hours
• Standby Time: About 35 hours
• Charging Time: About 2 hours
• Radio Frequency Range: FM 87.5-108 MHz
• Indicators:
• Red light for charging
• Light off when fully charged
• Loudspeaker Size: 40 mm
• Impedance: 32Ω
• Sensitivity: 120dB ± 3dB
• Frequency Response: 20Hz–20,000Hz
• Warranty: 6 Months