Supports Bluetooth(R) 5.0, profile A2DP; Wireless range: 49 ft.; Frequency response: 20 Hz to 20 kHz; 10 mm drivers; Impedance: 32 ohms; Sensitivity: 105 dB at 1 kHz SPL; Foldable neck band holds shape; Neck band controls ; Built-in microphone; Voice prompts announce earbud operations; Micro USB port for battery recharge; Battery life up to 6 hours at 100%; Includes 3 pairs of eartips (S, M, L), micro USB to USB cable, warranty, and user's guide; Black
Warranty: 90 Days Limited
Country of Origin: China