Audio-Technica│ATH-SPORT70BT Bluetooth wireless sports headset microphone set

High-quality drive unit with carbon fiber-coated diaphragm. Washable IPX5 grade waterproof performance. 6 hours of play time. Easily play music & answer calls. The "external sound function" of the surrounding sound can be heard without taking off the headphones. Corresponding to high-quality AAC encoding. Elastic earloops provide a secure fit. Sports sweat earplugs made by COMPLYTM are included. https://i.imgur.com/S4sZrzP.jpg 【Product specifications】 [headphone section] Type: moving coil type Drive unit: Ø9mm Output sensitivity: 93dB/mW Frequency response: 20 ~ 20,000Hz Impedance: 16Ω 【microphone】 Type: back pole type capacitor Directivity: omnidirectional Sensitivity: -42dB (1V/Pa, at1kHz) Frequency response: 50 ~ 8,000Hz [Communication Specifications] Communication method: Bluetooth standard specification Ver.4.1 Maximum communication distance: within 10m of good line of sight Communication frequency band: 2.4GHz (2.402GHz ~ 2.480GHz) Modulation method: FHSS Support Bluetooth protocol: A2DP, AVRCP, HFP, HSP Support code: AAC, SBC Support content protection: SCMS-T Support sampling frequency: 44.1kHz, 48kHz Transmission band: 20 ~ 20,000 Hz 【other】 Power: DC3.7V lithium polymer battery (built-in) Charging time: about 3 hours* Available time: continuous communication (when playing music): up to about 6 hours* Weight: 28.5g Operating temperature range: 5 ° C ~ 40 ° C Accessories: earplugs (XS, S, M, L), COMPLYTM foam earplugs (M), USB cable for charging (30cm), carrying bag *Depending on the conditions of use. [Product Warranty] Non-human damage to the original factory for one year (the warranty does not include earphone accessories) [Returns and Exchanges] 1. In accordance with the provisions of the Consumer Protection Law, consumers are entitled to the seven-day appreciation period of the goods (the non-trial period of the appreciation period). Since the earphones are personal hygiene products, they should be purchased as they are unpacked. Please confirm before unpacking, so as not to affect them. Self-interest 2. The return limit is brand new and unopened. 3. In case of new products, please inform the customer service to handle the replacement for you. 4. New product 瑕疵 exchange, please keep the outer packaging and contents of the accessories intact, if the packaging carton is dirty or severely torn, can not be restored to the original state, or the accessories are lost, can not accept the exchange 【Precautions】 1. Bluetooth headset related time varies depending on personal use, phone settings and ambient/temperature 2. Due to differences in computer screen settings and personal perception, the product images of this store are for reference only, subject to the actual product received. 3. If the product specifications are incorrect, they will be based on physical objects. 4. Please follow the operation instructions and precautions in the product manual before use. 5. If there are any errors in the above specifications, the information published by the original factory shall prevail.