Bluedio Vinyl Plus Wireless Headphone

Warranty and Customer Service information 18-month warranty from the date of purchase Email Bluedio Customer Service, get answered under 24 hours To email Bluedio Customer Service: you can click "Your Account" on Amazon, click"Your Orders", find the Bluedio order, click "Contact Seller". Specifications Bluetooth version: 4.1+EDR Bluetooth profiles: A2DP, AVRCP, HSP, HFP Bluetooth transmission frequency: 2.4GHz to 2.48GHz Bluetooth operating range: up to 33 feet (free space) Drivers: Φ70mm SPL: 116dB Impedance: 16Ω Frequency response: 15Hz-25,000Hz Total Harmonic Distortion (THD) : <0.1% Bluetooth music/talk time: about 20 hours Standby time: up to 1100 hours Charging time: 2 hours for full charge Operating temperature range: -10 ℃ to 50℃ only Headphones dimensions: 174*158*90mm Package dimensions: 252*245*122mm Headphones weight: 366g Package weight: 1565g In the box Bluedio Vinyl Plus headphones 3.5mm audio cable Charging cable Y cable Cable with remote and mic Carrying case with a buckle Pouch for cables User manual