Direct Sound EXTW37 Kullanıcı Kılavuzu - Sayfa 4

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6、Product specification

6.1 Wireless Transmission

Parameter

Bluetooth Version

Bluetooth profiles

Audio Decode

Bluetooth Communication

Range

Wireless output

Wireless band

6.2 Battery

Parameter

Battery Type

Capacity

Charge time

Battery life

Working time

Standby time

6.3 Speaker Driver

Parameter

Speaker size

Speaker Impedance

Output

Frequency Response

Sensitivity

Distortion

6.4 Others

Headphone Parameter

Microphone sensitivity

Standby current

Sleep current

V4.0+EDR（True Wireless（TWS）CSR64215 Bluetooth

module）

A2DP，AVRCP，HFP，HSP

Support SBC，MP3，AAC，APTX-LL audio format (Latency

：＜40ms）

About 10m（without obstacles）

Class2：+4dBm（-6 ～+4dBm),

ISM band：2.402-2.480GHz

Lithium polymer battery

3.7v ===500mAh，1.85w

About 1.5 hours

P.5

Cycle charge 500 times

About 20 hours calls &music & middle volume

About 300 hours

φ40mm

32 ohm

10mW

20Hz ～20,000Hz

105 dbm

﹤2 %

-45db

0 mA＜ I ＜4 mA

＜ 0.001 mA

Specification