The listing, Wireless Sport Bluetooth Stereo Magnetic Headphone Earbuds Headset Earphone has ended.
1) Bluetooth chip and Bluetooth version: csr 4.1
(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: barrier 10m
(8) Frequency: 2.4GHZ
(9) Talk time: about 4 hours
(10) songs time: about 5 hours
(11) Standby time: about 160 hours
(12) Product weight: 18g
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