(1) Bluetooth version: 4.2 (2) Bluetooth protocol: A2DP AVRCP HFP HSP (3) Battery: 3.7V 60mAh (4) Charging power: 5V/80mAh (5) Sensitivity: 103db +/- 3dB (6) Impedance: 32Mw (7) Transmission distance: 10m barrier-free (8) Frequency: 2.4GHZ (9) Talk time: about 4 hours (10) Listening to song time: about 5 hours (11) Standby time: about 160..

Looking for a unique gift for a unique woman?We bring to your attention 12 models of amazing women's necklaces.Made of medical steel...