U&i HEADPHONE UiBH-135

∆ Bt Version:v4.2+edr ∆ Bt Mode:a2dp/avrcp/hands Free/headset ∆ Wireless Frequency: 2403hz-2480hz ∆ Reception Distance:10m ∆ Calling Time:10H ∆ Music play Time:12h Auto Power-off If Paring Over 5 Minutes ∆ Battery Capacity:250mah