Satisfaction Guaranteed: 100% MONEY-BACK GUARANTEE if you are not satisfied with the product. Earbuds might be slightly larger than its equivalents in the market.
Working temperature: -10 – 55 C
Supported file formats: A2DP1.3 / HFP1.6 / HFP1.2 / AVRCP1.6 / D11.3
Wireless Distance: 33 feet (10 meters) in open air
Call Time: 3-4 hours
Charging Time: 1-2 hours
Standby Time: 120 hours