Good promotion gifts, Bluetooth stereo headsets

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Basic Info

Payment Type:	T/T or L/C

Product Description

Features:

Specifications:

Driver unit:

Packaging includes:

Enjoy wireless music and handsfree calling

Built-in high-quality 40mm Mylar loudspeaker for audiophile grade sound quality

Built-in microphone

Hands-free talking

Compatible with all Bluetooth-enabled devices: smart phones, tablets and more

CSR V4.0

Trans-distance: 10m/30 feet

Frequency range: 2,402-2,480MHz

S/N ratio: -82dB

Battery: chargeable lithium-ion polymer battery (3.7V/450mA/h)

Charger power: DC 5V (1A)

Successive working time: 12 hours

Standby time: about 300 hours

Speaker diameter: Φ40mm

Impedance: 32Ω

S.P.L: 108dB S.P.L. at 1kHz

Rated power: 20mW

Frequency responses: 20Hz-20kHz

Microphone unit: φ4*1.5mm

Impedance: ≤2.2KΩ

Frequency responses: 30Hz-16kHz

Operating voltage: 3.0V

1 x Bluetooth headset

1 x USB cable

1 x audio cable

1 x charger adapter

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