Universal Switch Between Chinese and English of The New Bluetooth Headset Unilateral Business Ear-hanging Wireless Bluet

Welcome to GVI GroupBuy Mall!Color: Black English Version, White English Version, Black Chinese and English Switched Version, White Chinese and English Switched Version Bluetooth protocol: 5.0 Transmission range: 10 meters Chip type: Zhongke Lanxun Waterproof performance: life waterproof Whether it is single ears: unilateral hands-free Battery life: 0-4 hours Functions: Call function, NFC function, music support Usage: Hanging ear type Mold Type: Male Mold Style: minimalist style