If you're passionate about IT and electronics, like being up to date on technology and don't miss even the slightest details, buy Bluetooth Headphones Panasonic RZ-B100WDE-K Black at an unbeatable price.. Frequency response: 20 - 20000 Hz. Type:. Binaural. Headphones. Headphones with Microphone. Headphones with Headband. In-ear headphones. In-ear Headphones. Range: 10 m. Built-in microphone: Yes. Colour: Black. Battery capacity: 400 mAh. Characteristics:. Wireless. Charging base. Case. With cable. Noise reduction. Built-in microphone. Plug and play. Touch control. Built-in battery. IP rating: IPX4. Approx. autonomy:. 12 hours. 2,5 hours. Connections:. USB. USB-C. Material: Plastic. Connectivity:. Bluetooth. Wireless. Bluetooth 5.0. Type of headphones: In-ear headphones. Frequency: 20 - 20000 Hz. Approx. charging time: 1-1,5 hours. Technology: True Wireless Stereo (TWS). Battery: Yes. Recommended age: Adults. Approx. weight: 18 g. Headphones: Binaural. Control type: Dynamic. Includes: Charger. Year: 2021. Recommended use: Calls and music. Battery type: Litio Ion. Panasonic RZ-B100. Product type: Headset, Wearing style: In-ear, Recommended usage: Calls & Music. Connectivity technology: Wireless, Bluetooth profiles: A2DP,AAC,AVRCP,HFP,SBC, Wireless range: 10 m. Ear coupling: Intraaural, Intraaural headphones type: In-ear monitors, Acoustic system: Semi-closed. Microphone type: Built-in. Battery type: Built-in battery, Battery technology: Lithium Polymer (LiPo), Battery capacity: 40 mAh. Product type: Headset. Wearing style: In-ear. Recommended usage: Calls & Music. Product colour: Black. Headset type: Binaural. Operating keys: Multi-key. Volume control: Touch. International Protection (IP) code: IPX4. Plug and Play: Y. Connectivity technology: Wireless. Bluetooth: Y. Bluetooth profiles: A2DP,AAC,AVRCP,HFP,SBC. Bluetooth version: 5.0. Wireless range: 10 m. Base station USB connector: USB Type-C. Ear coupling: Intraaural. Intraaural headphones type: In-ear monitors. Acoustic system: Semi-closed. Headphone frequency: 20 - 20000 Hz. Headphone sensitivity: 4 dB. Driver unit: 1.3 cm. Driver type: Dynamic. Noise reduction: Y. Microphone type: Built-in. Number of microphones: 2. Battery operated: Y. Battery type: Built-in battery. Battery technology: Lithium Polymer (LiPo). Battery capacity: 40 mAh. Input voltage (earpieces): 3.8 V. Input voltage (charging case): 3.7 V. Continuous audio playback time: 2.5 h. Continuous audio playback time (with charging case): 12 h. Charging source: USB. Standby time: 24 h. Operating temperature (T-T): 0 - 40 °C. Width: 18 mm. Depth: 18 mm. Height: 45 mm. Weight: 5 g. Left earpiece weight: 5 g. Right earpiece weight: 5 g. Charging case dimensions (W x D x H): 49 x 26 x 55 mm. Charging case weight: 39 g. Package type: Box. Charger: Y. Charging case capacity: 400 mAh. Charging case type: Wired. Charging case connector type: USB Type-C. Cables included: USB Type-C. Charging time: 1.45 min