Havit TW970 - TWS wireless in-ear headphones (black)

Height: 35.2 mm Depth: 21.2 mm Width: 23 mm Charging case weight: 39 g Charging case dimensions (W x D x H): 60.4 x 53 x 32.9 mm Right earpiece weight: 4.2 g Left earpiece weight: 4.2 g Market segment: Consumer Product type: Headphones Product colour: Black Wearing style: In-ear Recommended usage: Gaming Game mode: Yes Suggested gender: Boy/Girl Suitable for indoor use: Yes Latency: 18 ms Frequency band: 2.4 GHz Bluetooth profiles: HFP Connectivity technology: True Wireless Stereo (TWS) Bluetooth version: 5.3 Wireless range: 10 m Bluetooth: Yes Frequency response (music mode): 20 - 20000 Hz Talk time: 4 h Battery recharge time: 1.5 h Left earpiece battery capacity: 45 mAh Right earpiece battery capacity: 45 mAh Battery capacity (charging case): 400 mAh Continuous audio playback time: 6 h Battery recharge time (charging case): 2 h Input voltage (charging case): 5 V Continuous audio playback time (with charging case): 24 h Microphone type: Built-in Impedance: 16 Ω Headphone sensitivity: 121.5 dB Driver unit: 1.3 cm Number of drivers: 2 Safety warning: Do not use near sources of heat or fire., Check batteries regularly to prevent leakage., Keep away from children.