Sunitec, The Leading Brand of Bluetooth Transmitter and receiver Field. 20 years of business Experiences with more than 1.5 Million satisfied customers, First Choice of High Quality with proper price.

• Product Features  Bluetooth compatible specifications: V4.0 specification standards. Use the advanced CSR8645 bluetooth chip.  Built-in DSP (digital signal processing (DSP) noise suppression and echo cancellation function.  Output power : class 2 power output, up to 10 meters. 
• Product Specifications  Bluetooth version: V4.0  Transmission range: 10 meters or more  Frequency range: 2.402 GHz ~2.480GHz  Product type: car accessories  Talk time: About 15 hours  Standby time: About 62 days  Battery type: Lithium polymer rechargeable battery
• Bluetooth profiles: HFP V1.6 HSP V1.2, Support aptX, AVRCP V1.4  L/R Output voltage (open): 1V RMS  THD+N at Rated Output Power: ＜1%(1KHz 0dBFS)  Signal-to-Noise ratio at open (A-Weigted)：85dB (A-Weighted) (1KHz 0dBFS)  Inter Channel Gain Difference: ＜0.5Db (1KHz 0dBFS)
• Product List: USB charging Car charger (optional) Brigade charger (optional) Instructions: 1 pc Warranty card: 1 pc Package Type: Each pc into gift box, then Master carton.

Product Features  Bluetooth compatible specifications: V4.0 specification standards. Use the advanced CSR8645 bluetooth chip.  Built-in DSP (digital signal processing (DSP) noise suppression and echo cancellation function.  Output power : class 2 power output, up to 10 meters. FJS Electronics