Havit TW969 - TWS wireless headphones, black

Right earpiece weight: 3.7 g Case weight: 30 g Charging case dimensions (W x D x H): 48 x 48 x 29.5 Left earpiece weight: 3.7 g Wearing style: In-ear Product colour: Black Headset type: Binaural Product type: Headset Recommended usage: Calls/Music Oven control type: Touch Package contents: Headphones Connectivity technology: Wireless Bluetooth range: 15 m Bluetooth: Yes Bluetooth version: 5.3 Battery capacity (charging case): 300 mAh Talk time: 5 h Left earpiece battery capacity: 40 mAh Right earpiece battery capacity: 40 mAh Continuous audio playback time: 7 h Battery operated: Yes Battery recharge time: 1,5 h Continuous audio playback time (with charging case): 23 h Number of microphones: 2 Built-in microphone: Yes Warnings: Do not use near sources of heat or flame. Headphone frequency: 20 - 20000 Hz Ear coupling: Intraaural Impedance: 32 Ω Latency: 60 ms Headphone sensitivity: 102 dB Driver diameter: 8 mm