JEDX S6 Sports Mini Stereo Bluetooth Wireless In-Ear Earphone - Free shipping - DealExtreme

Power amplifier output power: RMS 2x18MW (THD=10%)
Power amplifier signal-to-noise ratio: greater than or equal to 90dB
Input voltage: 3.7v rechargeable lithium battery
Play time: 3-4 hours call time: 4 hours
Charging time: 1 hour
Charging input voltage: DC5V 500MAH
Horn specifications: 2 x16 Ω 20 mw Φ 10 mm
Frequency range: 20Hz-20KHz
Sensitivity: greater than or equal to 100db plus or minus 2db
Signal to noise ratio: greater than or equal to 80Db
Transmitting/receiving frequency: 2.4-2.4ghz

Packing List:
1 x Headset
1 x Usb cable