Wireless Earphones Tws Earphone With Microphone M28 Waterproof Earphone Bluetooth Gaming Earphone For Xiaomi Stereo Low Latency Model: M28 Bluetooth version: V5.1 Playing time: 4-5 hours Talk time: 4 hours Standby time: about 180 hours Impedance: 32 Rated input: 5V Speaker size: 8mm Frequency response: 20Hz-20KHz Transmission distance: >10m Lighting effect: colorful atmosphere light Noise reduction version: CVC8.0 Earplug battery capacity: 50mAh Charging compartment battery capacity: 1200mAh Charging time: 1-2h Operation: touch Specifications: 1.9D stereo HIFI bass surround 2.Graphene film speaker 3.Designed for sports, ear-mounted wear, equipped with powerful 4.Bluetooth V5.1 headset chip, will subvert your sports experience 5.Comfortable to wear with sports non-slip ear hooks 6.Original sound quality, quiet enjoyment, graphene diaphragm, professional sound with three-tone balanced 7.Intelligent noise reduction, reject the noisy environment 8.Panoramic sound effects, listen to every music scene 9.Master-slave switching, you can listen to it when you pick it up 10.High-definition LED display, the remaining power of the charging bay is clear at a glance 11.Life-level waterproof, not afraid of sweating profusely during exercise 12.Large-capacity charging compartment, long battery life, abundant power Play: | Play/Pause (light touch the left earphone once) | Answer/Hang up (light touch the left earphone once ) | Summon Siri (long press the left earphone for 1 seconds) | Volume reduction ( Touch the left earphone triple in a row) | Switch the previous song ( touch the left earphone seconds) | Turn On/Off ( Long press the earphone for 5 seconds) Package Included