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HOCO EW78 TWS True Wireless Headset Bluetooth Earphone BT5.4 With Mic Sports Stereo Headphones Super Long Battery Life Support
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HOCO EW78 TWS Bluetooth Earphone
4 Star
$12.82
$61.41
79% Off
Number in Stock: 100
Product Description
๐1. Bluetooth specification: Bluetooth V5.4 Jerry AC683, support protocol: Headset Hands-free A2DP Avrcp ๐2. Transmission range: 10 meters, transmission frequency: 2402-2480MHZ ๐3. Maximum RF output power (EDR): 4DB Modulation type (EDR): GFSK, ฯ/4-DQPSK ๐4. Speaker: 13MM, impedance: 32ฮฉยฑ15% ๐5. Frequency response: 20~20000Hz ๐6. Sensitivity: 98dbยฑ3db ๐7. Charging voltage: DC5V, charging time: about 1 hour ๐8. Charging box battery capacity: 300mah, left and right ear battery capacity 30mAh each ๐9. Talk time: about 4 hours, music time: about 4 hours (80% volume), standby time 150 hours ๐10. Net weight: 40g (including charging compartment), bare device weight: 3.3g (single ear), size: 49*46*20.2mm ๐11. Supports master-slave switching, up and down song switching, calling Sir, binaural calls, and pressure-sensitive operation functions.
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08-02-2026
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Product Details
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Highlights
๐1. Bluetooth specification: Bluetooth V5.4 Jerry AC683, support protocol: Headset Hands-free A2DP Avrcp ๐2. Transmission range: 10 meters, transmission frequency: 2402-2480MHZ ๐3. Maximum RF output power (EDR): 4DB Modulation type (EDR): GFSK, ฯ/4-DQPSK ๐4. Speaker: 13MM, impedance: 32ฮฉยฑ15% ๐5. Frequency response: 20~20000Hz ๐6. Sensitivity: 98dbยฑ3db ๐7. Charging voltage: DC5V, charging time: about 1 hour ๐8. Charging box battery capacity: 300mah, left and right ear battery capacity 30mAh each ๐9. Talk time: about 4 hours, music time: about 4 hours (80% volume), standby time 150 hours ๐10. Net weight: 40g (including charging compartment), bare device weight: 3.3g (single ear), size: 49*46*20.2mm ๐11. Supports master-slave switching, up and down song switching, calling Sir, binaural calls, and pressure-sensitive operation functions.
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