Havit OWS914 TWS Wireless Earphones (Black). Product features:. Left earphone battery capacity: 80 mAh; Earphone sensitivity: 103 dB; Charging case weight: 75 g; Battery capacity (charging case): 500 mAh; Suggested gender: Boy, Girl; Market segment: Consumer; Suitable for outdoor use: Yes; Product depth: 40 mm; Game mode: Yes; Color: Black; Connection method: True Wireless Stereo (TWS); Product width: 29.5 mm; Frequency response: 20 - 20000 Hz; Right earphone battery capacity: 80 mAh; Product height: 48 mm; Suitable for indoor use: Yes; Impedance: 16; Wireless router range: 10 m; Application: Calls/music; Number of built-in microphones: 4; Warning : Do not use near heat or fire., Check the battery status regularly to prevent leakage., Keep out of reach of children.; Speaker diameter : 1.62 cm; Right earphone weight : 11 g; Bluetooth : Yes; Music playback time : 7 h; Wearing style : On-ear; Left earphone weight : 11 g; Continuous audio playback time (with charging case) : 21 h; Product type : Headphones; Noise cancelling : Yes; IP rating : IPX5; Bluetooth version : 5.3; Bluetooth profiles : AVRCP; Charging case dimensions (WxDxH) : 82 x 62.5 x 30.5 mm;.