Product Name: Tws Bluetooth Earphones Sport HiFi Wireless Headphones Noise Cancelling Game Headset (including Portable Neck Radio) Model NO.: Bluetooth earphone Distance version: Class A Specifications: HSP Color: Black Characteristics: Support Music Function: Bluetooth Soundtrack: Dual Track Bluetooth Version: 5.0 Usage: Mobile Phone, Call Center, MP3 & MP4, Computer, Game Player, Aviation, DJ Style: In-ear Waterproof: Yes with Microphone: Yes Resistance: 32? Vocalism Principle: Dynamic Standby Time: 150h Music Time: 4h Support Agreement: Hfp Hsp A2dp Avrcp Sensitivity: 114