Bluetooth V4.1 wireless car business headphones
Main features:
● Bluetooth V4.1 quickly pairing, transmission range up to 10m
● DSP noise reduction technology, effectively isolated from background
● 50mAh Li-ion battery, 3.5 hours playing time
● Only 6.5g, lightweight and comfortable to wear

Specifications:
Bluetooth: V4.1
Transmission range: 10m
Battery: 50mAh Li-ion battery
Standby time: 50 hours
Working time: 3.5 hours
Drive: 10mm
Impedance: 32ohms
Frequency: 20-20kHz
Packing weight: 0.099kg
Product size: 2.80 x 2.50 x 5.80cm/1.1 x 0.98 x 2.28 inches
Package size: 9.70 x 3.50 x 14.00cm/3.82 x 1.38 x 5.51 inches
Packing contents: 1 x earphones, 1 x English user manual, 1 x USB cable, 2 x ear hook