DELOCK 27181 - Bluetooth 5.0 Headphones Over-Ear foldable

"This Bluetooth headphones by Delock is designed for wireless playback of HiFi-Stereo Sound . Due to the integrated microphone, the headphones are also suitable for telephoning, skype, video conferences or for online courses. Outstanding sound experience The 40 mm headphones audio drivers feature crystal clear sound, as well as intense bass , for a premium listening experience. Comfortable to wear The headphones have a soft and padded headband. The ultra-light and soft ear pads enclose the ears optimally. Due to the low weight of only about 228 grams , the headphones are remarkably light and therefore offer maximum wearing comfort even during longer use. The headband can be adjusted to the preferred head size and the ear shells adapt individually to the head. Cordless or with Stereo Jack Cable The headphones can be used cordlessly or with the included 3.5 mm stereo jack cable . Also included is a stereo jack adapter for using the headphones on airplanes. Long playback time The built-in 400 mAh rechargeable battery offers up to 20 hours of playback time, as well as about 120 hours of standby time. Within about 2 hours, the headphones can be fully recharged via quick charge. The headphones can also be used with an empty battery via a jack cable. Fast pairing Due to the Bluetooth V 5.0 standard, the headphones ensure a fast and energy-saving connection to all Bluetooth-enabled devices within a range of up to 10 meters . Foldable design The headphones can be folded compactly for easier transportation. Specification Connectors: 1 x 3.5 mm 4 pin stereo jack female (AUX-In) 1 x USB Type Micro-B female (5 V power supply) Multifunction buttons: Track forwards / Track backwards - volume-up / volume-down On / Off - Play / Pause Bluetooth standard V 5.0 Class 2, operating range up to 10 meter Supports Bluetooth profile: A2DP, AVRCP, HFP Supports audio decoders: AAC, SBC Sensitivity: 95 dB +/- 3 dB @ 1 kHz 1 mW Frequency range: 20 Hz - 20 kHz Audio driver Ø: 40 mm Built-in micro