ONIKUMA GT803 Wired Bluetooth 5.4 Dual Modes Gaming Headset 1. Supports Bluetooth wired connection modes 2. Protein leather earmuffs, soft and breathable, comfortable to wear 3. Retractable metal memory headband, adaptive head shape 4. 40mm large dynamic driver unit, stereo surround sound, rich music enjoyment 5. 400mAh large capacity battery, continuous listening to music for up to 50 hours 6. Bluetooth 5.4 technology, with noise reduction chip, low power consumption, stable connection 7. Independent buttons, can be operated with one hand, convenient and fast Product parameters Driver diameter: 40mm Chipset: JL7006 Supported protocols: AVRCP1.6.2, A2DP1.3.2, HFP1.8, HSP1.2 Audio decoding: SBC, AAC Bluetooth distance: 15 meters Microphone sensitivity: -42 +- 3dB Sensitivity: 110 +- 3dB Impedance: 32 ohms Frequency response range: 20Hz-20KHz Battery capacity: 400mAh Music time: about 50 hours Charging time: about 2 hours Charging interface: Type-C