Bluetooth chipset: JL7023, V5.3+EDR

Support: HFP, HSP, A2DP, AVRCP and SPP

Earbuds battery: 25 mAh rechargeable battery 

Battery box: 250mAh

Working distance: 10 M

Standby time: 80 hs

Playing time:  3 hs 

Demension of earbuds: 31*16.5*17mm

N.W: 3.4g

Charging box: 68*42*22mm, N.W: 34g

Package:16*11.5*3.5cm; G.W:94g

Carton size:54*36*34cm; 90pcs/carton

Carton N.W/G.W:12KG/12.9KG