Havit TW931 Wireless TWS Headphones (Blue)

Weight and dimensions Case weight: 25.2 g Charging case dimensions (WxDxH): 46.7 x 51 x 23.8 mm Left earphone weight: 3 g Right earphone weight: 3 g Efficiency Product color: Blue Wearing style: In-ear Product type: Headset Headset type: Stereo Application: Calls/Music Control type: Touch Package contents Package contents Charging case Headphones x 1 Ports and interfaces Bluetooth range: 10 m USB Power: Yes Connection method: Wireless Number of USB Type-C ports: 1 Bluetooth version: 5.4 Bluetooth: Yes Battery Right earphone battery capacity: 30 mAh Left earphone battery capacity: 30 mAh Battery capacity (charging case): 300 mAh Talk time: 4 hours Battery powered: Yes Music playback time: 6 hours Charging time: 1.5 hours Microphone Built-in microphone: Yes Number of built-in microphones: 2 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 Transducer diameter: 10 mm Headphone construction: In-ear Frequency response: 20 - 20000 Hz Impedance: 26 Ω