Audio-Technica│ATH-CK200BT Ultra-lightweight wireless Bluetooth headset microphone set

https://live.staticflickr.com/65535/51343615000_0d932ccb92_o.jpg 【Product specifications】 【earphone】 Type: Moving coil type Drive unit: Ø9mm Output sensitivity: 100dB/mW Frequency response: 20～24,000Hz Impedance: 16Ω 【microphone】 Type: Back-pole capacitive type Directivity: omnidirectional Sensitivity: -44dB (1V/Pa, at1kHz) Frequency response: 100～10,000Hz 【Communication Specifications】 Communication method: Bluetooth standard specification Ver.4.1 Maximum communication distance: within 10m of good sight Communication frequency: 2.4GHz (2.402GHz～2.480GHz) Modulation method: FHSS Support Bluetooth protocol: A2DP, AVRCP, HFP, HSP Support code: SBC Support content protection: SCMS-T Support sampling frequency: 44.1kHz, 48kHz Transmission frequency band: 20～20,000 Hz 【other】 Power supply: DC3.7V lithium polymer battery (built-in) Charging time: about 3 hours* Usable time: continuous communication (when playing music): up to about 7 hours; continuous standby: up to about 200 hours Weight: 14g Operating temperature range: 5℃～40℃ Accessories: USB cable for charging (30cm, USB Type-A / Micro USB Type-B), earplugs (XS, S, M, L), fixing clip 【Product Warranty】 One year warranty for non-artificial damage (earplug accessories are not included in the warranty) 【Instructions for Return and Exchange】 1. According to the Consumer Protection Law, consumers enjoy the seven-day appreciation period of the product (the appreciation period is not a trial period). Earphone products are personal hygiene products, and they are deemed to be purchased when they are opened. Please confirm before opening the product to avoid impact Own rights 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 do the replacement process for you 4. Please keep the outer packaging and contents and accessories intact for the replacement of new products. If the packaging carton is dirty or severely torn and cannot be restored to the original state, or the accessories are lost, the replacement will not be accepted. 【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