Promotional Model Bluetooth Speaker, 4000mA Battery Capacity

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Basic Info

Payment Type:	T/T

Product Description

Bluetooth version: v2.1+EDR

Bluetooth transmission power: class 2 4dBm

Bluetooth working frequency: 2.4GHz

Charging voltage: 5V DC/500mA

Working voltage: 3.7V DC

Battery capacity: 4000mA

Music playing time: 15 hours

Talking time: 40 hours

THD: ≤0.1% (3.7V/1kHz/1.8W)

Signal-to-noise ratio: ≥65dB

Speaker parameter: 4Ω, 3W, Ø40mm, two speakers

Bluetooth range: 10 to 20m

Colours: red, blue, black, golden and silver

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