bluetooth 5.0 Headphone 2.1 Stereo Sound Wireless Noise Cancelling Foldable Gaming Earphone

Note:This product has only one USB charging cable and does not include a 3.5mm cable. 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 scope: 20hz-20khz Signal to noise ratio: 110dB Error: 0.1% 0.5w 1KHz Power requirements: 5V(USB) Play time 4-5 hours bluetooth distance: 10m Built-in battery 3.7v /400mAH Color:Gray, black, black red Features: - All-inclusive earmuffs, ergonomically designed, can be worn 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 included: 1 x Wireless Headset