• Product Details M28 TWS Bluetooth Earphones Wireless Touch Headphones Stereo Music Gaming Headsets Sports Waterproof EarbudsProduct model: M28Bluetooth version: V5.1Battery life: about 5 hoursStandby time: about 180 hoursImpedance: 320Rated input: 5VFrequency response: 20Hz 20KHzTransmission distance: about 10 mLighting ffect: colorful atmosphere lightControl method: smart PressNoise reduction version: CVC8.0Headset battery:50mAhCharging case battery:2000mAhColour: blackMaterial: ABSSize: 12 x 7.3 x 4.7CMSpeaker size: 8mm

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