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APP: BitDynamic

Bluetooth version scheme: 5.3 version Jeili 6973D

texture of material: ABS/electroplated

Speaker: 14.2mm composite film speaker

Wireless frequency: 2.4GHz

Support agreement: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3

Transmission distance: 15 meters (accessible)

Color: Black, white, khaki.

Battery capacity: 50mah*2+500mah

Play/call time: approximately 8-10 hours

Charging time: about 1 hour

Charging voltage/current: 5V/1A

Standby time: 360 hours

Speaker impedance: Full frequency speaker with a diameter of φ13MM 32Ω

Mic head sensitivity:- 42Db

Working temperature:- 10-50℃

Waterproof grade; IPX5 waterproof for daily use

Carton size: 80pcs/ctn: 56.5*34.5*32.8cm, G.W.:17kgs