This Wireless Bluetooth Headset has an upgraded Bluetooth 5.0 chip, which has a fast and stable connection. With its smart touch operation, it is convenient to use. It has a built-in active noise reduction feature, providing HD phone calls. You can use one earphone or two with HiFi stereo sound.
Material: ABS Bluetooth Version: 5.0 Protocols: HFP 1.7/HSP 1.2/A2DP 1/AVRCP1.6/SPP 1.2/PBAP 1.0 Charging Voltage: DC 5V Microphone Sensitivity: -42Db Working Temperature: -10-50 Degree Celsius Frequency Response Range: 20-20000Hz Sensitivity: 120dB +/- 5dB Transmission Distance: 10m Charging Time: about 1 Hour Cumulative Work Time: about 220 hours (with Fully Charged Charging Box) Earphone Battery Capacity: 50mAh (Included) Charging Box Battery Capacity: 2000mAh (Included) Features: Rechargeable, Portable, Smart Charge Charging Box Size: 14cm x 10cm x 4cm/5.51' x 3.94' x 1.57' (Approx.)
1 x pair of Wireless Bluetooth Headset 6 x Ear Caps 1 x Charging Box 1 x Charging Cable 1 x User Manual