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Item specifics
  • Sound Track: Double
  • WIFI Standard: None
  • Wireless Type: Bluetooth
  • Package: Yes
  • Feature: None
  • Bluetooth Standard: Bluetooth v4.0
  • Support Apt-x: Yes
  • Content: Audio
  • Support AAC: Yes
  • Model Number: BT-H57
  • Interface: 3.5mm
  • Color: Black
  • Model Number: BT-R-01
  • Bluetooth Version: Bluetooth V4.1
Product Description


Bluetooth4.1 Music Transmitter or Receiver
Selling Point: Bluetooth 4.1 Chipset(CSR 8670), Simple,Convenient,Durable, Rechargeable lithium battery


  • Bluetooth Transmitter
  • 10dBm RF transmit power with level control from on-chip 6-bit DAC over a dynamic range >30dB
  • lass 1, Class 2 and Class 3 support without the need for an external power amplifier or TX/RX switc

Bluetooth Receiver

  •  Receiver sensitivity of -90dBm
  •  Integrated channel filters
  • Digital demodulator for improved sensitivity and cochannel rejection Audio Interfaces
  • Audio codec with 2 high-quality dedicated ADCs
  •  2 microphone bias generators and up to 2 analogue microphone inputs
  • Up to 6 digital microphone (MEMS) inputs
  • G.722 compatible, includes improved digital FIR filter path for stop-band attenuation required for G.722 compliance
  •  Enhanced side-tone gain control
  •  Supported sample rates of 8, 11.025, 16, 22.05, 32, 44.1,48 and 96kHz (DAC only)
  • Real-time digitised RSSI available to application
  • Fast AGC for enhanced dynamic range
  • Channel classification for AFH

Packaging contains

  • 1 x Bluetooth transmitter & receiver
  • 1 x 3.5mm to 3.5mm Audio Cable
  • 1 x USB charging cable
  • 1 x User manual
  • 1 x 3.5mm to AV audio cable
Packaging Details
  • Unit Type: piece
  • Package Weight: 0.22kg (0.49lb.)
  • Package Size: 20cm x 20cm x 5cm (7.87in x 7.87in x 1.97in)
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Packaging Details
  • Unit Type: piece
  • Package Weight: 0.22kg (0.49lb.)
  • Package Size: 20cm x 20cm x 5cm (7.87in x 7.87in x 1.97in)
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