Hurricane H (Shooting Brake) Bluetooth 4.1 Headphone Ongoing luxurious Bluetooth 4.1 Headphone, delighting the world. Luxurious music enjoyment is always unreachable. For this reason, Bluedio keeps hard working on 3 years of RD and testing, manage to customize a wireless headphone with unrivaled timbre, adapted to a variety of rugged circumstances and highly cost-effective. Thoughtful design, unexpected superior sound, make luxury become reasonable, this is Hurricane H (Shooting Brake) Bluetooth 4.1 headphone. Technical specification: - Drivers: 57mm speaker X 2 - Transducer type: Dynamic - Bluetooth version: V4.1 - Frequency range: 2.4GHz-2.48GHz - Operating Distance: up to 10m (free space) - Bluetooth profiles: A2DP\AVRCP\HSP\HFP - Impedance: 16OM - Frequency response: 20Hz-20kHz - Sensitivity: 110dB - Distortion: < 0.1%(THD) - Talk time: up to 45 hours - Standby time: up to 1625 hours - Charging time: about 2 hours - Operational temperature: -10 to 50°C Colors: Black, White Package Content: 1 X Headphones Package Weight: 0.3kg (0.66lb.) Package Size: 15cm x 15cm x 10cm (5.91in x 5.91in x 3.94in)