Audio-Technica│AT-CSP5 Wireless Bluetooth High Quality Conference Amplifier Microphone

https://live.staticflickr.com/65535/51285349624_e4aace50ac_o.jpg 【system】 Communication method: Bluetooth standard specification Ver.5.0 Modulation method: FHSS Support Bluetooth protocol: A2DP, AVRCP, HFP Support code: SBC Support content protection: SCMS-T method Support sampling frequency: 48kHz Transmission frequency range: 20～20,000Hz System hardware requirements: USB2.0 Support bit depth: up to 16bit Support operating system: Windows 8.1, Windows 10, macOS Catalina, macOS Big Sur NCC Type Approval Number: CCAH21LP1960T9 【speaker】 Type: Built-in amplifier speaker system Speaker unit: Ø44mm (full range) Maximum output power: 90dB±2dB Impedance: 4Ω Frequency response: 250～18,000Hz Input terminal: USB Type-C socket Power supply type: 5V ＝1.3A (If you use a commonly sold AC charger, please use products with a rated current of 1.3A or more) Charging time: about 5 hours (depending on the conditions of use) Battery life: continuous transmission (during a call): up to about 15 hours (depending on the conditions of use) Operating temperature range: 5℃～40℃ Dimensions: H30.5×W122×D122mm Weight: about 325g Accessories: USB cable (1.0m, USB Type-A-USB Type-C), USB cable (1.0m, USB Type-C-USB Type-C), storage box 【Receiver, transmitter】 Type: MEMS type Directional characteristics: omnidirectional Transmission frequency range: 60～7,000Hz Communication frequency: 2.4GHz (2.402GHz～2.480GHz) Communication distance: within 10m of good sight 【Product Warranty】 One year warranty for non-artificial damage 【Notice for Return and Exchange】 1. In accordance with the provisions of the Consumer Protection Law, consumers enjoy the rights of a seven-day appreciation period for goods (the appreciation period is not a trial period) As earphone products are personal hygiene products, unpacking is deemed to be a purchase. Please think twice before ordering or unpacking goods to avoid affecting your rights and interests 2. The return limit is brand new and unopened, and it is deemed to be a purchase if it is opened 3. In case of new product defects, please notify the customer service to deal with it for you 4. Please keep the outer packaging and contents and accessories intact for the replacement of new products. Or the accessories are missing, we cannot accept replacements 【Precautions】 1. The relevant time of the Bluetooth headset varies depending on personal usage, mobile phone settings, and the surrounding environment/temperature 2. Due to differences in computer screen settings and personal perception, the product images in this store are for reference only, and the actual product received shall prevail 3. If there is any error in the description of the product specifications, the actual product will prevail 4. Please follow the instructions and precautions in the product manual before use 5. If there is any error in the above specifications, please refer to the information published by the original manufacturer