J3 Pro TWS BT5.2 Wireless Earphones White

OverviewThe pair of earphones are auto pairing, one-key touch control, intelligent noise reduction. It is portable for sports, outdoors, travel, etc.
Features:
Ergonomic in-ear design, comfortable to wear.
500mAh large capacity charge box, with power display.
BT5.2 chip, low consumption and quick transmission.
Auto pairing, monaural mode and binaural mode,
Uses 4pcs 6mm composite diaphragm unit, full analysis and restoration of music.
Fingerprint touch control of music, call, volume and voice assistant, convenient to operate.
IPX7 waterproof, no influence for sports and swimming.
Specifications:
Material: ABS
Color: Black, White (optional)
Drive: 15mm
Impedance: 32 OHM
BT Version: BT V5.2 +EDR
BT Frequency Band: 2.4GHz
Power Level: CLASS II
Output Power: 30mW
BT Distance: Barrier-free 18m
Frequency Response: 20-20000Hz
Operating Voltage Range: 3.0V-4.2V
Microphone Sensitivity: -42dB
Protocol: A2DP /AVRCP high quality stereo audio transmission and remote control protocol
Powerful noise de-noising circuit (active de-noising)
Charge Time: 1h
Call/Music Time: 3-4h
Standby Time: 96h
Battery Capacity: 
   Earphone: 55mAh
   Charge Box: 500mAh
Item Size: 
   Earphone: 44 * 23 * 6mm / 1.73 * 0.91 * 0.24in
   Charge Box: 58 * 55 * 22mm / 2.28 * 2.17 * 0.87in
Item Weight: 45g / 1.59ounce
Package Weight: 120g / 4.23ounce
Package Size: 100 * 85 * 40mm / 3.94 * 3.35 * 1.57in
Packing List:
1 * Pair of Earphones
1 * Charge Box
1 * USB Cable
2 * Pairs of Spared Earbuds
1 * User Manual