Mini M165 m163 4.1 Car sports Wireless in ear Bluetooth earphones

Instructions for use: Long press the middle button of the earphones until the red and blue lights of the earphones alternate flashing. Turn on the Bluetooth switch of the phone, search for the earphone pairing name 163 165, and click on pairing. Short press the volume up/down button to adjust the volume, long press the volume up/down button to switch between up and down songs. This earphone defaults to an English version prompt sound. After connecting to Bluetooth, pressing the volume up/down button at the same time can switch between Chinese and English. Additionally, the Bluetooth 4.1 version has a one to two function that allows for the simultaneous connection of two mobile phones.
The difference between Bluetooth 4.1 and Bluetooth 3.0: Bluetooth 4.1 has lower power consumption and can listen to music continuously for 3.5-4 hours when fully charged, while Bluetooth 3.0 can listen to music continuously for 2.5 hours. Bluetooth 4.1 is one to two, while Bluetooth 3.0 does not. The sound quality of Bluetooth 4.1 is also better, and both models have the same appearance.
Product Function Description:
Power amplifier output power: RMS 2x18MW (THD=10%)
Power amplifier signal-to-noise ratio: ≥ 90dB
Input voltage: 3.7V rechargeable lithium battery
Play time: 4 hours Call time: 5 hours
Charging time: 1-2 hours
Charging input voltage: DC5V 500MAH
Speaker specification: 2x16 Ω 20MW Φ 10mm
Frequency response range: 20Hz-20KHz
Sensitivity: ≥ 100db ± 2db
Signal to noise ratio: ≥ 80Db Transmission/reception frequency: 2.4-2.48GHz
Distance: accessible 10 meters
Individual weight: 44 grams
Packing weight: 5kg
Packing specification: 35 * 35 * 53cm