Pro4 Bluetooth headset

Bluetooth version: jl6936d5.0, high-definition binaural call
Transmission distance: barrier-free distance 10-20 meters
Product speaker: high-quality composite membrane copper ring speaker
Product chip: true stereo chip
Working time: (3-4 hours)
Charging warehouse standby time: 30 days
Headphone battery capacity: pure cobalt 30 mA
Rechargeable battery capacity: pure cobalt 260 mA (with IC protection board)
Packing size: 12*10*3.5cm
Packing standard: earphone*2 + charging bin + charging cable + manual + packaging box + certificate