Iron triangle │ATH-WS330BT wireless earmuff headphones

Low-rebound earmuffs with stable wearing Exclusively designed case Newly designed Ø40mm SOLID BASS drive unit Easy to carry lightweight earmuff headphones It takes about 4 hours to charge in just 10 minutes. 70 hours after electric filling General agent company goods, quality is guaranteed https://i.imgur.com/2gjzjEx.jpg 【Product specifications】 【system】 Model: ATH-WS330BT Communication method: Bluetooth standard specification Ver5.0 Communication frequency band: 2.4 GHz (2.402GHz ~ 2.480GHz) Communication distance: within 10m of good line of sight Modulation method: FHSS Support for Bluetooth protocols: A2DP, AVRCP, HFP, HSP Support code: AAC, SBC Support content protection: SCMS-T mode Transmission frequency range: 20 ~ 20,000 Hz RF RF output power: 10 mW EIRP NCC type certification number: 【headset】 Type: closed moving coil type Drive unit: Ø40mm Output sensitivity: 108dB/mW Frequency response: 5 ~ 35,000 Hz Input impedance: 32Ω Power type: DC3.7V lithium polymer rechargeable battery (built-in) Charging time: about 4 hours* (*Depending on usage conditions.) Battery life: continuous transmission time (music playback): Up to 70 hours*(*Depending on usage conditions.) Operating temperature range: 5 ° C ~ 40 ° C Call microphone type: electret capacitor type Call microphone pointing characteristics: omnidirectional Call microphone sensitivity: -42dB (1V / Pa, at1kHz) Call microphone frequency response: 50 ~ 4,000Hz Weight: about 167g Accessories: USB charging cable (30 cm, USB Type-A/USB Type-C) [Product Warranty] Non-human damage to the original factory warranty for one year [Returns need to know] 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). The earphones are classified as personal hygiene products, and they are deemed to be purchased when unpacking. Be sure to think twice before ordering or unpacking the goods. In order to avoid affecting their rights and interests 2. The return limit is brand new and unopened. 3. In case of new products, please inform the customer service to handle it 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.