JVC HAA-6TBU headphones (black)

Weight and dimensions Product weight: 30 g Efficiency Application: Calls/Music Security features Waterproof Dust resistant Wearing style: In-ear Control Type: Touch Headset type: Stereo IP protection class: IPX4 Product type: Headset Product color: Black Clear sound: Yes Auto connect: Yes Packaging data Weight with packaging: 94 g Package contents Charging case: Yes Additional tips: Yes Carrying case weight: 30 g Ports and interfaces Bluetooth profiles A2DP HFP AVRCP Bluetooth version: 5.1 Wireless router range: 10 m Connectivity: True Wireless Stereo (TWS) Bluetooth: Yes Battery Music playback time: 7.5 hours Charging source: USB Battery powered: Yes Charging time: 2 hours Fast charging time: 15 min Fast charging: Yes Continuous audio playback time (with charging case): 23 h Supported battery type: Built-in Battery type: Lithium-ion (Li-Ion) Battery charging time (charging case): 2.5 h Microphone Microphone type: Built-in microphone Safety warning Warnings Keep away from children. Do not use near sources of heat or fire. Check the condition of the batteries regularly to prevent leakage. Headphones Headphone construction: In-ear Number of transducers: 1 Frequency response: 20 - 20000 Hz Impedance: 16 Ω Magnet type: Neodymium Speaker diameter: 6 mm