Picun B12 Wireless Bluetooth Headphones – Over-Ear Hi-Fi Stereo Headset with Foldable Design & 40H Playtime

Picun B12 Wireless Bluetooth Headphones is an affordable, versatile over-ear headphone designed for everyday users, students, and travelers. It stands out for its 3-in-1 connectivity, allowing you to switch between Bluetooth 5.2, a MicroSD (TF) card slot for phone-free listening, and a standard 3.5mm wired mode for when the battery is low. Key Features HD Stereo Sound: Equipped with 40mm large-aperture drivers, the B12 delivers clear highs and deep, punchy bass, making it suitable for music, movies, and online classes. 20-Hour Playtime: The built-in 300mAh battery provides up to 20 hours of continuous playback on a single charge, with a standby time of up to 200 hours. 3-Way Listening Modes: Wireless: Uses the latest Bluetooth 5.2 for a stable, low-latency connection. TF Card Mode: Supports MicroSD cards to play MP3/WAV files directly from the headset. Wired Mode: Includes a 3.5mm AUX cable that works even if the headphones are powered off. Comfortable & Foldable: Features soft protein earmuffs designed to simulate human skin texture and a 180° foldable design for easy storage in a backpack or carry-on. Omnidirectional Mic: The high-definition built-in microphone includes basic noise reduction to ensure clear voice quality during hands-free calls or gaming.   Specifications Bluetooth version 5.0 Bluetooth solution JL-AC6916A Battery 300MAH high performance polymer lithium battery Charging voltage DC 5V Working voltage 3.1V-4.2V Working distance 10M Talking time 20H Music time 20H for Bluetooth, 12H for Bluetooth RGB light Standby time 300H Charging time 2-3H Cable plug 3.5mm gold-plated stereo pin Wire Material Φ3.0mm soft braided wire Length 1.5M±5% Speaker Driver unit 40MM NdFeB super bass subwoofer Impedance 32Ω±15% at1KHZ Sensitivity 108±3dB at 1mw 1kHz with IEC318 Frequency response range 20-2000HZ Left and right deviation less than 3dB at1KHZ Distortion less than 3% at 1kHz 1mW Rated power 30mV Maximum power 50mV Microphone Sensitivity -42±3dB at1KHZ Specification 4015 Output Impedance 2.2KΩ(max).at1KHZ Current consumption 200-500uA Frequency response range 100-10KHZ   What’s in the Box? Picun B12 Headphones 3.5mm Audio Cable (for wired use) USB Charging Cable User Manual