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APP: BitDynamic

Bluetooth version: 5.3 version Bluetrum 5656C2

Material: ABS/electroplated

Speaker: 16mm 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: 40mah*2+300mah

Play/call time: approximately 6-8 hours

Charging time: about 1 hour

Charging voltage/current: 5V/1A

Standby time: 360 hours

Speaker impedance: φ13MM 32 Ω

Mic head sensitivity:- 42Db

Working temperature:- 10-50℃

Waterproof Grade; IPX5 waterproof for daily use

Carton size: 100pcs/ctn: 57*40*28cm, G.W.:18kgs