ไมโครโฟนบลูทูธสำหรับสมาร์ทโฟน

ไมโครโฟนบลูทูธสำหรับสมาร์ทโฟน - Easy Pairing, Plug and Play - Startring Now, Enjoy any of your favarite wired Microphones Wirelessly [BTM-210C] - Wireless Tranmission : Bluetooth V2.1+EDR,A2DP - Carrier Frequency : ISM band 2.400 - 2.4835GHz - Battery : Alkaline battery Size AA x 2pcs (BTM-210C/D) Lithium battery 3.7V 240mAH (BTH-830RM) - Battery Life : Akaline battery up to 8 hours (BTM-210C/D) Lithium battery charging 2 hours, maximum use of 8 - Charging Voltage : 5V (compatible to USB standard) - Operation Range : Up to 20m - Dimension (L x W x H) : 88.2 x 25.6 x 28.3 mm (BTM-210C) - Weight : 26g [BTH-830R Bluetooth receiver / BTH-830T Bluetooth transmitter] - Wireless transmission: Bluetooth V2.1 EDR - Latency: 38ms - Audio quality: Stereo sound 44.1KHz/ 16bits - Transmission distance: 10m / 32.8ft - Power supply: Lithium battery (3.7V 240 mAH) - Charging time: 2 hours (maximum use of 6 hours) - Charging voltage: 5V (compatible to USB standard) - Carrier frequency: ISM band 2.400 - 2.4835GHz - Radiation Power: 0dBm - Radiation Receiving Sensitivity: -85dBm - Dimension (L x W x H): 75.5 x 25 x 16.5 mm / 2.97 x 0.98 x 0.64 inches - Weight: 20g / 0.7oz [MDM-863] – Capsule: Condenser – Polar Pattern: Omni-direction – Output impedance: 2.2K ohm +- 30%(at 1,000 Hz) – Power supply: DC 1.5V – Sensitivity: -63 +- 3dB ( 0dB=1V / Mu-bar;at 1,000 Hz indicated by open circuit) – Frequency Response: 100 - 15,000 Hz – Housing: ABS – Weight: 63g / 0.13 lbs (With cord)