Havit TW980 - TWS wireless headphones, black

Charging case dimensions (W x D x H): 54.5 x 30.8 x 58.5 mm Left earpiece weight: 5.5 g Case weight: 44.5 g Right earpiece weight: 5.5 g Product type: Headset Wearing style: Ear-hook Recommended usage: Calls/Music Product colour: Black Headset type: Binaural Oven control type: Touch Package contents: Headphones Bluetooth range: 10 m Bluetooth version: 5.3 USB Power Delivery (USB PD): Yes Connectivity technology: Wireless Bluetooth: Yes Left earpiece battery capacity: 40 mAh Battery operated: Yes Continuous audio playback time (with charging case): 23 h Battery capacity (charging case): 400 mAh Case charging time: 2 h Continuous audio playback time: 6,5 h Right earpiece battery capacity: 40 mAh Built-in microphone: Yes Number of microphones: 2 Warnings: Do not use near sources of heat or flame. Driver diameter: 12 mm Impedance: 32 Ω Headphone sensitivity: 113 dB Ear coupling: On-ear Headphone frequency: 20 - 20000 Hz