QKSEJ D-480 Wired Headphone

Description: This foldable headphone is easy to fold up so that you can effortlessly carry around. Besides, The Bluetooth headphone allows wired connection with an audio cable when there is powered off. Bluetooth 4.0 technology features much lower power consumption, more stable signal transmission, clearer stereo sound production. Specifications: Bluetooth Model: D-480 Frequency response range: 20-20000Hz Sensitivity: -90dB ± 3dB Total Harmonic Distortion: 0.1% Bluetooth version: V4.0 + EDR Output power: 2.402-2.480GHZ Charging interface: Micro USB charging port Battery type: lithium battery Battery capacity: 230mAh Charging time: 1-2 hours Talk time: 5 hours Music playing time: 3 hours Standby time: 180 hours Transmission radius: 10m / 30ft Color: Blue+White, Black+Red (Optional) Package weight: 254g Package List: 1 x Bluetooth Headphone 1 x USB Charging Cable 1 x User Manual