Bone Conduction Hook Earphone

1) Driver: 15mm
2) Impedance: 32 OHM
3) Bluetooth version: Bluetooth v4.1+EDR
4) Bluetooth frequency band: 2.4GHz
5) Power level: CLASS II
6) Output power: 30mW
7) Bluetooth distance: accessible 10m
8) Frequency response: 20-20000Hz
9) Operating voltage range: 3.0V-4.2V
10) Mic head sensitivity: - 42dB
11) A2DP/AVRCP high-quality stereo audio transmission and remote control protocol
12) Powerful noise elimination circuit (active noise reduction)
13) Switch between Chinese and English (when the machine is powered on, it is not connected to the Bluetooth status. Press the switch twice, and the switch succeeds when the prompt tone is heard)
14) The charging time is about 1 hour (the power supply indicates charging: the red light is on, and the full charge: the red light is off (the blue light is on).)
15) Product size: 25MM in diameter and length. Width: 15MM. 35mm high
16) The net weight of the product is about 5g
17) Talk time is about 4-5 hours
18) Music time is about 4-5 hours
19) Standby time is about 120 hours
20) Charging time is about 60 minutes
21) Battery capacity 90MAH
22) Charging power supply: DC5V power supply [round hole interface] (computer USB port, mobile phone charger, car charger)
23.) Compatible mobile phones: 99% mobile phones with Bluetooth function compatible with Android, Apple and Symbian systems