B507 Bluetooth Over Ear Headphones Foldable Bluetooth Headsets with Deep Bass for PCPhone

Feature: 1. Over ear ergonomic designed ensure long lasting comfort and the foldable design saves your desk space and portable. 2. The wireless mode, a built‑in 400mAh battery provides up to 8 hours play time in a single charge. 3. Wired mode, you can also use it as a wired headphone with the provided o cable so the headphones will never power off. 4. Large 40 mm speaker unit drivers combined with neodymium magnets provides stereo sound, powerful bass, clear vocal, and crisp high tones. 5. With undirectional noise reduction microphone technology and compatible with all devices have 3.5mm o jack, like smartphone, laptop, PC. Specification: Item Type: Bluetooth Headset Material: ABS Built-in Lithium Battery: 400mAh Bluetooth Version: 5.0+EDR Chip Model: AC6921A5.0 Input Voltage: DC5V Speaker: 32 Ohm 1W Φ40mm Output Power: 200MW Transmission Distance: Approx. 10m32.8ft Frequency Response: 20Hz-20KHz Working Current: About 35mA Signal to Noise Ratio: more than 85dB Working Voltage: 3.7V Distortion Degree: less than 1percent Standby Time: more than 20 Days Talk Time: 8 Hours Music Playback Time: More Than 8 Hours Application: Wireless Connection Equipment, 3.5mm Wired Connection Equipment PC Mobile Phone, Studio, etc. Package List: 1 x Headphone1 x Data Cable1 x Connection Cable1 x Manual