蓝牙耳机型位发言者lighet重容易*卡尔

Speaker Description: Open speaker power, Bluetooth entered automatically. High-quality stereo music, pure sound quality. Built-in rechargeable polymer battery, light weight, long life, small size, and environmental protection. Safe, low radiation. Stylish gorgeous. Features: Automatic Bluetooth Speaker Sub-structure, effective way to eliminate harmonic A built-in high-capacity lithium battery materials, easy to use; Digital power amplifier, perfect sound quality; treble thin clear, dynamic bass-rich. Product Accessories: Box, USB power cable, audio cable, power adapter. Specifications: Power Supply: 100 240V AC adapter Output current: 200-500mA Output voltage :5.0 - 6 .0 V DC, (inside is outside the negative) Size: 75mm × 72mm × 71mm Weight: 350g Technical Specifications: Input Voltage: DC 5V Working voltage: DC 5V (inside is outside the negative) Line input impedance: 10K ohms Amplifier output power: RMS 3Wx2 (THD = 10%, f = 1KHz) Frequency response: 20-20000HZ Sensitivity: 500MV PA signal to noise ratio: ≥ 95dBA Left and right channel separation:: ≥ 49dB Dynamic Range:: ≥ 98dB Distortion: <0.3% (1kHz, 1W): <1% Operating temperature: -10 °C 55 °C Speaker: Magnetically shielded, 4 ohm Box Size (mm): 120 (W) x 81 (H) x 23 (D) Bluetooth Description: Features: Support A2DP mobile phone and PC music, high-quality stereo music, pure sound quality. Safe, low radiation. Stylish gorgeous. Specifications: Spread Spectrum: Frequency Hopping Spread Spectrum (FHSS) Working range: 10 meters of wireless communication Technical Specifications: Chipset: csr Transmission power: Class2 less than 4dbm, low radiation. Frequency range :2.401-2 .480 GHz (2.4GHz ISM Section) Receiver sensitivity: <-82dBm,BER<0.1% Left and right channel separatio:>50dB SNR:>80dB Dynamic Range>85dB Distortion<0.5% Frequency response: 80-18000HZ Operating temperature: -10 °C 55 °C Speaker Description: Open speaker power, Bluetooth entered automatically. High-quality stereo music, pure sound quality. Built-in rechargeable polymer battery, light weight, long life, small size, and environmental protection. Safe, low radiation. Stylish gorgeous. Features: Automatic Bluetooth Speaker Sub-structure, effective way to eliminate harmonic A built-in high-capacity lithium battery materials, easy to use; Digital power amplifier, perfect sound quality; treble thin clear, dynamic bass-rich. Product Accessories: Box, USB power cable, audio cable, power adapter. Specifications: Power Supply: 100 240V AC adapter Output current: 200-500mA Output voltage :5.0 - 6 .0 V DC, (inside is outside the negative) Size: 75mm × 72mm × 71mm Weight: 350g Technical Specifications: Input Voltage: DC 5V Working voltage: DC 5V (inside is outside the negative) Line input impedance: 10K ohms Amplifier output power: RMS 3Wx2 (THD = 10%, f = 1KHz) Frequency response: 20-20000HZ Sensitivity: 500MV PA signal to noise ratio: ≥ 95dBA Left and right channel separation:: ≥ 49dB Dynamic Range:: ≥ 98dB Distortion: <0.3% (1kHz, 1W): <1% Operating temperature: -10 °C 55 °C Speaker: Magnetically shielded, 4 ohm Box Size (mm): 120 (W) x 81 (H) x 23 (D) Bluetooth Description: Features: Support A2DP mobile phone and PC music, high-quality stereo music, pure sound quality. Safe, low radiation. Stylish gorgeous. Specifications: Spread Spectrum: Frequency Hopping Spread Spectrum (FHSS) Working range: 10 meters of wireless communication Technical Specifications: Chipset: csr Transmission power: Class2 less than 4dbm, low radiation. Frequency range :2.401-2 .480 GHz (2.4GHz ISM Section) Receiver sensitivity: <-82dBm,BER<0.1% Left and right channel separation:>50dB SNR:>80dB Dynamic Rang:>85dB Distortion:<0.5% Frequency response: 80-18000HZ Operating temperature: -10 °C 55 °C