Havit TW982 - TWS wireless headphones, blue

Package contents: Headphones | Package contents: Charging case | Warnings: Keep away from children. | Warnings: Regularly check the condition of the batteries to prevent leaks. | Battery capacity (charging case): 400 mAh | Driver diameter: 13 mm | Bluetooth range: 10 m | Warnings: Do not use near sources of heat or flame. | Case weight: 35,8 g | Headphone sensitivity: 117 dB | Product colour: Blue | Left earpiece weight: 3.9 g | Left earpiece battery capacity: 40 mAh | USB Power Delivery (USB PD): Yes | Recommended usage: Calls/Music | Bluetooth: Yes | Charging case dimensions (W x D x H): 58 x 49,6 x 26,5 mm | Talk time: 4 h | Battery operated: Yes | Ear coupling: On-ear | Headphone frequency: 20 - 20000 Hz | Connectivity technology: Wireless | Wearing style: In-ear | Oven control type: Touch | Built-in microphone: Yes | Battery recharge time: 1,5 h | Product type: Headset | Number of microphones: 1 | Continuous audio playback time: 7,5 h | Right earpiece battery capacity: 40 mAh | Headset type: Binaural | Continuous audio playback time (with charging case): 33 h | Right earpiece weight: 3.9 g | Bluetooth version: 5.4 | Impedance: 32 Ω