BT-SD-20

• Professional TF/SD card bluetooth headset
• Version: V2.1+EDR
• Sensitivity: 108dB
• Impedance: 32 Ohms
• Frequency: 20Hz—20KHz
• working time: 8 hours
• Speaker: 10mm
• Receiver rangE: 10m
• Rated power: 10mW
• S/N ratio: 82db
• Introduce: wireless headset with TF/SD

Features:
Portable bluetooth headset, support micro SD card.
Double damping balancing technology, present perfect music.
Unique neck-strap design for easy carrrying, good choice for using in car or outdoors.
Easy magnetic earphone storage, noise reduction, echo cancellation.
Vibration alert on call.
Apply to iphone, ipad, ipod, mobile phone, tablet computer or any other instrument with bluetooth function.

Specifications:
Speaker diameter: φ10 milimeters
Impedance: 32 Ohms
Sensitivity: 108dB S.P.L.at 1KHz；
Rated power:10mW
Aggregate capability:20mW
Frequency Response:20Hz-20,000Hz
Microphone Unit:φ4*1.5mm
Impedance:≤2.2KOhms
Frequancy Response:30Hz-16,000Hz
Operating voltage:3.0V

1)Support systems:audio equipments with bluetooth functions,such as PC,cellphone,MP3… ;
2)Bluetooth protocol standards:Bluetooth V2.1+EDR
3)Receiver range:10m / 360
4)Carrier frequency:2402MHz-2480MHz;
5)USB interference:High speed USB 2.0;
6)Battery:chargeable lithium-ion polymer battery ;
7)Charger power:computer USB interface
8)Successive working time:about 8 hours；
9)Frequency response:20Hz—20KHz；
10)S/N ratio:_82db；

Package includes:
1 x Bluetooth headset
1 x usb cable
1 x audio cable
1 x charger adapter

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