Bluetooth Earphone

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BT511

Bluetooth version: V5.0 Battery capacity :140mah Play time : 8 hours Talk time : 10 hours Standby : above 1month Charging socket : Micro US B 5 V/1A Charging rate :3.7V Distance :above 10m Driver unit: dia 10 m m Impedance: 32 Ohm±15% Frequency Response:20-20Khz Sensitivity :-42 d B +/- 5d b

BT509

Bluetooth version: V5.3 Battery capacity :140mah Play time : 8 hours Talk time : 10 hours Standby : above 1month Charging socket : Micro US B 5 V/1A Charging rate :3.7V Distance :above 10m Driver unit: dia 10 m m Impedance: 32 Ohm±15% Frequency Response:20-20Khz Sensitivity :-42 d B +/- 5d b

BT508

Specifications : Bluetooth version: V5.3 Battery capacity :140mah Play time : 8 hours Talk time : 10 hours Standby : above 1month Charging socket : Micro US B 5 V/1A Charging rate :3.7V Distance :above 10m Driver unit: dia 10 m m Impedance: 32 Ohm±15% Frequency Response:20-20Khz Sensitivity :-42 d B +/- 5d b

BT507

Specifications : Bluetooth version: V5.3 Battery capacity :140mah Play time : 8 hours Talk time : 10 hours Standby : above 1month Charging socket : Micro US B 5 V/1A Charging rate :3.7V Distance :above 10m Driver unit: dia 10 m m Impedance: 32 Ohm±15% Frequency Response:20-20Khz Sensitivity :-42 d B +/- 5d b

BT506

Specifications : Bluetooth version: V5.3 Battery capacity :140mah Play time : 8 hours Talk time : 10 hours Standby : above 1month Charging socket : Micro US B 5 V/1A Charging rate :3.7V Distance :above 10m Driver unit: dia 10 m m Impedance: 32 Ohm±15% Frequency Response:20-20Khz Sensitivity :-42 d B +/- 5d b

BT505

Bluetooth version: V5.3 Battery capacity :140mah Play time : 8 hours Talk time : 10 hours Standby : above 1month Charging socket : Micro US B 5 V/1A Charging rate :3.7V Distance :above 10m Driver unit: dia 10 m m Impedance: 32 Ohm±15% Frequency Response:20-20Khz Sensitivity :-42 d B +/- 5d b

BT504

Bluetooth version: V5.3 Battery capacity :140mah Play time : 8 hours Talk time : 10 hours Standby : above 1month Charging socket : Micro US B 5 V/1A Charging rate :3.7V Distance :above 10m Driver unit: dia 10 m m Impedance: 32 Ohm±15% Frequency Response:20-20Khz Sensitivity :-42 d B +/- 5d b

BT107

Bluetooth version: V5.3 Battery capacity :140mah Play time : 8 hours Talk time : 10 hours Standby : above 1month Charging socket : Micro US B 5 V/1A Charging rate :3.7V Distance :above 10m Driver unit: dia 10 m m Impedance: 32 Ohm±15% Frequency Response:20-20Khz Sensitivity :-42 d B +/- 5d b

BT103

Bluetooth version: V5.3 Battery capacity :140mah Play time : 8 hours Talk time : 10 hours Standby : above 1month Charging socket : Micro US B 5 V/1A Charging rate :3.7V Distance :above 10m Driver unit: dia 10 m m Impedance: 32 Ohm±15% Frequency Response:20-20Khz Sensitivity :-42 d B +/- 5d b

BT102

Bluetooth version: V5.3 Battery capacity :140mah Play time : 8 hours Talk time : 10 hours Standby : above 1month Charging socket : Micro US B 5 V/1A Charging rate :3.7V Distance :above 10m Driver unit: dia 10 m m Impedance: 32 Ohm±15% Frequency Response:20-20Khz Sensitivity :-42 d B +/- 5d b

BS831

Specifications : Air Conduction Earphone Bluetooth Version : 5.3V Driver Unit : 15.4mm Hi-fi stereo speaker Charging time : 1.5h Standby time : 110h Playback time : Up to 7 hours Frequency Response : 20-20KHz Battery Capacity : 90mAh Bluetooth Connection Distance : Approx.15m