Wireless bluetooth headphones of high aesthetics and excellent performance. The ear pads of the headphones are made of special soft material, offering comfort and excellent isolation of external sounds. The built-in 300mAh battery is sufficient for music playback up to 10 hours, but even if it runs out, they support playback with a cable. Features: HiFi Stereo Bass LED Lighting Wireless and wired connection Built-in microphone Microphone Sensitivity: -42 +/- 3dB Bluetooth Version: V5.0 Transmission range: 10m Profile Support: HFP / HSP / A2DP / AVRCP Driver Unit: 40mm Speaker Sensitivity: 118 +/- 3dB Resistance: 32 Ohm +-15% Frequency response: 2402MHz-2480MHz Battery capacity: 300mAh Stand-by time: 300 hours Operating time: up to 10 hours Charging time: 2.5 hours Charging voltage: DC 5V Frequency range: 2.402MHz – 2.480MHz Operating temperature: -40C / +85C Foldable for easy transport and storage Headphone dimensions: 192×190×80 mm Packaging dimensions: 210×205×90 mm