Feature:1. THREE MODE THREE DECODING: Three modes and three decoding, enjoyable game experience, professional game mode, increase Bluetooth to receive data.2. ENHANCING THE SOUND SURROUND: The music mode enhances the sense of surround sound, restores the nature of the sound, enhances the directionality of the sound source, and enhances the sound effect of the game.3. MECHA APPEARANCE CHARGING COMPARTMENT: The mecha like charging compartment continues the future elements of e sports, and is paired with small semi headphones, allowing you to fight comfortably for a long time.4. ADVANCED AUDIO DECODING: Advanced audio decoding, in depth analysis of HiF sound quality, 13mm composite diaphragm speakers bring you cinema grade sound.5. HIGH DEFINITION CALL: HD call, CVC intelligent noise reduction ensures that call is clear and no noise, even in a noisy environment like face to face.6. DEPTH NOISE REDUCTION: Deep noise reduction without fear of interference, no low noise and more pure, using professional MEMS silicon microphone microphone, excellent pickup direction, clear sound, high volume.Specification:Item Type: Bluetooth EarphoneMaterial: ABSModel: M33Bluetooth Version: V5.1Frequency: 2.402GHz-2.480GHzWireless Protocol: A2DP/HFP/HSP/AVRCPTransmitting Power: Class 2Working Distance: Approx. 20m / 65.62ftImpedance: 32+10%Distortion: 5%Microphone Sensitivity: -42dB3dBCharging Interface: Type CVoltage: 5VBattery Type: Lithium Battery (built in)Battery Capacity: 400mAh (Charging Compartment), 50mAh (Earphones).Package List:2 x Earphone1 x Charging Compartment1 x Charging Data Cable1 x ManualNote:Please allow 00.1m / 00.33ft error due to manual measurement. Thanks for your understanding.