Pioneer Bluetooth Lightweight On Ear Wireless Headphones (SE-MJ553BT)

Transmission Format: Bluetooth Standard Protocol Ver. 3.0
Output: Bluetooth Standard Protocol Power Class 2
Maximum Transmission Distance: About 10 m Line of Site*
Supported Bluetooth Profiles: A2DP, AVRCP, HFP, HSP
Frequency Response: 10 Hz to 22,000 Hz
Weight: 0.37 lbs. (170 g)
Accessories: Micro-USB Cable (For Charging)
Carton Dimensions: (LxWxH) 6.49 x 1.97 x 9.06 Inches
Carton Weight: 0.89 lbs.
Transmission distance is an approximation. Actual usable distance may vary depending on surrounding conditions. This product uses radio waves in the 2.4 GHz band. Sound may be interrupted by interference from other devices using the 2.4 GHz band, such as wireless devices and microwave ovens, etc