Bluetooth version: V5.1
Earplug battery capacity: 50mAh
Charging box battery capacity: 1200mAh
Working hours: 220H
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 problems.
【Clear & Loud Stereo Sound】: Bluetooth 5.1 wireless headphones with excellent Hi-Fi stereo sound give you an auditory feast. With a built-in microphone, you can take calls or redial the last call. IPX7 waterproof withstands sweaty exercise in the Gym.
【Up to 220H Playtime】This Bluetooth earphone is equipped with a built-in 50mAh battery which can last 10 hours after a single full charge. 1200mAh portable rechargeable case can recharge Bluetooth earbuds about 24 times that boasts outstanding up to 220H playtime. Moreover, this charging case can serve as a power bank for your phone or other devices in emergence.
【Smart LCD Digital Display】 In a smart LCD digital screen you can check battery consumption display anytime. The charging case presents its battery from 1%-100%. There are separate left and right headphone power consumption indicators. 5 grids in total, each grid represents 20% power of earphones (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.