Wireless Bluetooth headset designed for universal compatibility with Bluetooth devices. Suitable for everyday use with features that enhance audio quality and comfort. Product type: Headset & Headphone Compatibility: Universal Bluetooth devices Material: Sponge + ABS + electroplating Key feature: Wireless connectivity Color/Variant: White Intended use: Everyday use Category: Earphone & Headset Shocking bass, HiFi single sound, immersive experience, high-definition microphone Dual-core power speaker, 40mm large size, strong bass Lightweight and durable, foldable storage, long-lasting battery life Enhanced call sound effects, CVC HD microphone Bluetooth 5.0 chip, fast connection, stable transmission, stable signal High-quality protein earmuffs, comfortable to block noise AUX audio jack, TF card, multiple usage Soft and skin-friendly, with large earmuffs that surround the ears Frequency response: 20-20000Hz Battery capacity: 400mAh Power supply mode: USB charging / built-in lithium battery Transmission range: 10 meters How to use: head-mounted Use time: about 12 hours Standby time: about 300 hours Rated power: 5W Rated current: 1A Charging voltage: DC 5V Channel: Stereo Impedance: 32 ohms Sensitivity: 85dB Packing list: color box + earphone + charging cable + audio cable + manual Weight: about 340g