Bluetooth version: V5.1
Earplug battery capacity: 50mAh
Charging box battery capacity: 1200mAh
Working hours: 3-5H
Standby time: 280H
Operation mode: touch
Waterproof rating: IPX7
Product color: silver
Battery voltage: 3.7V
Input voltage: 5V
Transmission distance: ≥10M
Bluetooth operating frequency: 2.402-2.48Ghz
【Fast & Stable Connection】:Advanced Bluetooth 5.1 technology guarantees faster and more stable connection and transmission. Open the charging case then the true wireless earbuds will turn on and pair automatically. Care-free for pairing problem.
【Clear & Loud Stereo Sound】: Bluetooth 5.1 wireless headphone with excellent Hi-Fi stereo sound gives you an auditory feast. With built-in microphone you can take calls or redial last call. IPX7 waterproof withstands sweaty exercise in the Gym.
【Up to 3-5H Playtime】This Bluetooth earphone is equipped with built-in 50mAh battery which can last 10 hours after a single full charge. 1200mAh portable rechargeable case can recharge Bluetooth earbuds about 12 times that boasts outstanding up to 3-5H playtime.
【Smart LCD Digital Display】 In smart LCD digital screen you can check battery consumption display anytime. Charging case presents its battery from 1%-100%. There are separated left and right headphone power consumption indicator. 5 grids in total, each grid represents 20% power of earphone (Lights off when fully charged).
【Smart Touch Control】User friendly design and easy operation. By tapping the Bluetooth earphones to answer/reject the call, hang up the phone, music play/pause, previous/next track, volume up/down.