[Outer box and accessories missing] Dumbo ver. cheero wireless earphones Bluetooth ver. 5.1 "Yotsuba&!"

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

Product Description ■ This product is "out of accessories (outer box, 5 kinds of ear pieces (SSS/SS/S/M/L), replacement rubber, USB-A to C cable for charging, user's manual)". Please be aware in advance.
The long-awaited Dumbo version of wireless earphones is now available!
Qualcomm certified and continuous playback is possible for up to 10 hours!
AAC and aPTx are compatible with 2 codecs and also equipped with noise cancellation function to realize high sound insulation and clear calls.
Equipped with state-of-the-art Bluetooth 5.1 improves direction detection and enables smoother earphone connection!
Even if the battery runs out, you can return it to the case and charge it repeatedly to enable continuous playback for up to approximately 180 hours!
The case itself can be charged less frequently, so you can enjoy music and video playback without worrying about charging your smartphone all day long.
The earphones are automatically turned on when they are taken out of the case, so you can connect to Bluetooth-enabled devices immediately.
(When paired) After listening to music, you can recharge it automatically by storing it in the case.
(When paired) After listening to music, you can recharge it automatically by storing it in the case!
Codecs : SBC, AAC, aPTx
Continuous call / music playback time : approx. 8-10 hours
Communication distance : approx. 10m (no obstacle)
Battery capacity : 3.7 v / 45 mah
Frequency range : 20 hz - 20 khz
Supported OS : Android / iOS / Windows

Size : approx. 80 x 47 x 28 mm
Weight : approx. 80g
Battery capacity : 3.7 v / 2200 mah
Charging Time : approx. 3 hours
Number of charges : (from case to body) approx. 18
Input : 5 v / 1A USB-C
Output : 5 v / 1A USB-A
* As for used products, we do not guarantee battery life or number of uses. Please understand in advance. 5.1 5.1 DANB