Product details of Hoco EQ28 Wireless Earbuds Semi In-Ear Super Textured 13mm Moving Coil BT v5.4 Activate Voice Assistant Lightweight Magnetic Switch Touch Control Wireless Bluetooth Earbuds
1. Bluetooth specifications Bluetooth V5.4, Zhongke Bluexun 5656C, support protocol HSP HFP A2DP AVRCP
2. Audio decoding protocol: AAC+SBC
3. Transmission range: 10 meters, transmission frequency: 2402-2480MHZ
4. Maximum RF output power (EDR): 4dBm, modulation type (EDR): GFSK, π/4-DQPSK
5.Speaker: 13MM, impedance: 32Ω±15%
6. Frequency response: 20~20000Hz
7. Sensitivity: 98db±3db
8. Product material: ABS
9. Charging voltage DC5V, headphone charging time is about 1 hour, charging time is about 1.5 hours
10. The battery capacity of left and right ears: 40mAh, the battery capacity of the charging box: 320mAh
11. Music playback time 7 hours (80% volume) and call time 7 hours (80% volume)
12. Product net weight: 46.5G, single ear net weight: 4.3G, product size: 52*48*27.5mm
13. Charging interface: USB-C
14. Charging indicator: The charging orange light in the charging chamber flashes, and the full orange light is always on.

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