GZDtdsd Open Year Curly hair Wireless Headphone

Specification: Model number: Open Year Curly hair blue-too-th level:5.0 Playback mode: bt V5.1 + 16gb Mp3 Rating: IP68 waterproof Storage: 16GB memory Product type: Bone conduction Mp3Bt headset Connection distance: 210 meters Battery: 3.7v / 250mAh Charging time: 1.5 hours Playtime: 5 hours Song format: mp3, Wav Weight: 35g Applicable head size: suitable for everyone, titanium alloy frame, adjustable! packaging: suitable for all holiday gifts, Valentine's Day, Father's Day, Thanksgiving Day, Christmas! Feature: 1. Bone conduction technology, open-ear design 2. Swimming, running, waterproof IP68 for cycling 3. bt5.0 + mp3 mode mp3 player (16GB storage) 4. 5 hours of music playback 5.for men & women Service If you have any questions about the product, please feel to us by email. We will get back to you within .