Wireless Gaming Headset Review 2.4GHz Bluetooth 5.3, Noise Cancelling Se7e11f0995f14ed290842370a67045bfF.jpg Gaming Earphone Bluetooth compatible 5 2 Headphone Stereo Sound Noise Subwoofer Gaming Wireless Headphone with Mic Over Ear Headphones. Description: bluetooth version: EDR+V5. 0 Duration: 24 hours Standby time: 70 days Cable length: 50cm Master IC: 2. 1 stereo sound Speaker unit: 40 mm 32 0. 25 W stereo Output power: 0. 25w Frequency response range: 20hz 20khz Signal to noise ratio: 110dB Error: 0. 1% 0. 5w 1KHz Power requirements: 5V(USB) Plays time 4 5 hours bluetooth range: 10m Built in battery 3. 7v 400mAH Color: Gray, black, black red Features: All inclusive earmuffs, ergonomically designed, can be worn whole day without swelling. High quality protein earmuffs are soft and delicate, full of elasticity, suitable for wearing various ear types to bid farewell to oppression, without pain for a long time, comfortable and breathable. Ultra light, ultra thin and elastic graphene diaphragm is added, which brings deeper low frequency dive and stronger sound strength. bluetooth technology upgrade, faster transmission speed, lower power consumption, support higher quality music transmission, improve the sound performance. Package: 1*headphones, 1*USB charging cable,1* manual