Havit TW915E TWS Wireless Earphones (Black). Product Features:. Wireless Charging: No; Package Contents: Earbuds x 2, Charging Case x 1, USB Type-C Charging Cable x 1, User Manual x 1, Quality Certificate x 1; Left Earphone Battery Capacity: 40mAh; Talk Time: 7h; Suitable for Children: No; Charging Case Weight: 36g; Battery Capacity (Charging Case): 400mAh; Suggested Gender: Boy, Girl; Market Segment: Consumer; Suitable for Outdoor Use: Yes; Noise Cancelling: Yes; Product Depth: 21mm; Charging Time: 0.75h; Color: Black; Connection Method: True Wireless Stereo (TWS); Product Width: 23mm; Number of Transducers: 2; Right Earphone Battery Capacity: 40mAh; Product Height: 29mm; Suitable for Indoor Use: Yes; Wireless router range : 10 m; Frequency response (music mode) : 20 - 20000 Hz; Application : Calls/music; Warning : Do not use near heat or fire., Check the battery status regularly to prevent leakage., Keep away from children.; Speaker diameter : 1 cm; Right earphone weight : 3.7 g; Battery charging time (charging case) : 1.5 h; Bluetooth : Yes; Music playback time : 8 h; Wearing style : In-ear; Microphone type : Built-in microphone; Left earphone weight : 3.7 g; Continuous audio playback time (with charging case) : 24 h; Product type : Headphones; IP rating : IPX5; Bluetooth version : 5.2; Charging case dimensions (WxDxH) : 68 x 48 x 28 mm;.